America is a mobile society. Friendships between Americans can be close and real, yet disappear soon if situations change. Neither side feels hurt by this. Both may exchange Christmas greetings for a year or two, perhaps a few letters for a while — then no more. If the same two people meet again by chance, even years later, they pick up the friendship. This can be quite difficult for us Chinese to understand, because friendships between us flower more slowly but then may become lifelong feelings, extending (延伸) sometimes deeply into both families.

    Americans are ready to receive us foreigners at their homes, share their holidays, and their home life. They will enjoy welcoming us and be pleased if we accept their hospitality (好客) easily.

    Another difficult point for us Chinese to understand Americans is that although they include us warmly in their personal everyday lives, they don't show their politeness to us if it requires a great deal of time. This is usually the opposite of the practice in our country where we may be generous with our time. Sometimes, we, as hosts, will appear at airports even in the middle of the night to meet a friend. We may take days off to act as guides to our foreign friends. The Americans, however, express their welcome usually at homes, but truly can not manage the time to do a great deal with a visitor outside their daily routine. They will probably expect us to get ourselves from the airport to our own hotel by bus. And they expect that we will phone them from there. Once we arrive at their homes, the welcome will be full, warm and real. We will find ourselves treated hospitably.

    For the Americans, it is often considered more friendly to invite a friend to their homes than to go to restaurants, except for purely business matters. So accept their hospitality at home!

    Our warming planet is expected to face serious water crisis（危机）in the coming decades — which means each nation's natural resource will be more important than ever.

Last year I ruined my summer vacation by bringing along a modern convenience that was too convenient for my own good: the iPad. Instead of looking at nature, I checked my e-mail. Instead of paddling a small boat, I followed my Twitter feed (推特简讯). Instead of reading great novels, I stuck to reading four newspapers each morning. I was behaving as if I were still in the office. My body was on vacation, but my head wasn't.

So this year I made up my mind to try something different: withdrawal (退出) from the Internet. I knew it wouldn't be easy, since I'm bad at self-control. But I was determined. I started by giving the iPad to my wife.

    The cellphone signal at our house was worse than in the past, making my attempts at cheating an experience in frustration (沮丧). I was trapped, forced to go through with my plan. Largely cut off from e-mail, Twitter and my favorite newspaper websites, I had few ways to connect to the world except for the radio—and how much radio can one listen to, really? I had to do what I had planned to do all along: read books.

This experience has had a happy ending. With determination and the strong support of my wife, I won in my vacation struggle against the Internet, realizing finally that it was I, not the iPad, that was the problem. I knew I had won when we passed a Starbucks and my wife asked if I wanted to stop to use the Wi-Fi. “I don't need it,” I said.

However, as we return to post-vacation life, a harder test begins: Can I continue when I'm back at work?

There are times when the need to know what's being said right now is great. I have no intention of giving up my convenience completely. But I hope to resist the temptation (诱惑) to check my e-mail every five minutes, which leads to checking my Twitter feed and a website or two.

    I think a vacation is supposed to help you reset your brain to become more productive. Here I hope this one works.

    When I was a little girl, I remember that when my dad was repairing something, he would ask me to hold the hammer, so we would have time for a conversation with each other. I never saw my dad drinking or taking a night out. All he did after work was taking care of his family.

    I grew up and left home for college and since then, my dad had been calling me every Sunday morning. And when I bought a house several years later, my dad painted it by himself in the fierce summer heat. All he asked was to talk to him, but I was too busy in those days.

    Four years ago, my dad visited me. He spent many hours putting together a swing for my daughter. He asked me to have a talk with him, but I had to prepare for a trip that weekend.

    One Sunday morning we had a telephone talk as usual. I noticed that my dad had forgotten some things that we discussed lately. I was in a hurry, so our conversation was short. Several hours later that day I received a call. My father was in the hospital. Immediately I bought a plane ticket and on my way I was thinking about all the occasions I missed to have a talk with my dad. By the time I arrived at the hospital, my father had passed away. Now it was he who did not have time for a conversation with me. I realized how little I knew about my dad, his deepest thoughts and his dreams.

    After his death I learned much more about him and even more about myself. All he ever wanted was my time. And now he has all my attention every single day.

Comments on the July Issue of Reader's Digest

    Jennie Gardner, Bath

    I couldn't agree more with Lee Child, that books are really important. Yes, you can get lost in them but you can also find yourself and new worlds and possibilities in them. Books help us to forget and remember. They remind us both of what's really important and what's not.

    And, as Lee says, they let us hold the whole world in our hands, We can feel the weight of this word, we can mark our favourite spots, add in our own thoughts and see our progress through the pages as the story leads us back home, allowing us to re-find ourselves along the way.

    Jayne Wile, North Wales

    Brian Blessed's I Remember was most enjoyable. I love Brian, a popular actor of stage and screen. It was interesting to learn more about his life. I noted how he enjoyed being involved in the Space Program, doing 600 hours training in Moscow and I have to agree with his thought："We need to get out to Mars because the Earth has got to rest." Mars has always been a source of inspiration for explorers and scientists.

    Melanie Lodge, West Yorkshire

    I was thrilled to read author Lee Childs If I Ruled The World. I was most impressed that he wanted to make teachers the most respected and highest paid professionals.

    I work as a teaching assistant in a primary school and have done so since my youngest daughter began school 12 years ago. Until then I had no idea just how much planning was involved in each lesson and how much patience was required in a class of 30 children! I also agree with Lee that there's nothing more rewarding than finishing a good book.

The editor of the Cool Camping Britain chooses some of his favorite new finds in England, Wales and Scotland.

Cleadale, Isle of Eigg, Inner Hebrides

Is this Britain's most beautiful campsite? From the grassy point looking seaward to the mountains, it's not hard for campers to see how the island inspired fantasy landscapes in The Lord of the Rings.The campsite itself is as wild and wonderful as its setting.

Open April~September, pitches from £5 per tent per night.

Swattesfield, Thornham Magna, Suffolk

Deep in the wilds of north Suffolk, this seven-acre campsite has only been open for a few years, with two fields separated by a lake and surrounded by woodland. The position is perfect. It's a great place to do nothing and get into nature.You can set up your tent in the bottom field or the woodland beyond.

Open Easter~October, pitches from £10 per tent per night.

Pleasant Streams, near St Austell, Cornwall

This site, by a lake, is all about simple pleasures. Located in the former mining village, it has a summerhouse with books and games for a rainy day, many animals including pigs, hens, goats and ducks, and a pub just a 10-minute stroll (walk) away. There's very little to do here, no bells or whistles. Campfires are encouraged.

Open Easter~September, pitches from £10 per tent per night.

Troytown Campsite, St Agnes, Isles of Scilly

Its only campsite couldn't be in a more remote position. Isolation is its greatest asst (优点)－so bring plenty of books to read and don't expect a phone signal. But at least one of life's necessities is available. Lying on the hillside overlooking the bay and near the island of the Gugh, it might just win the prize for best beer garden view in England.

Open MarchOctober, pitches from 7.50 per tent per night.