On a Friday night, a poor young artist stood at the gate of the New York railway station, playing his violin. The music was so great that many people stopped to put some money into the hat of the young man.

    The next day, the young artist came to the same place, and put his hat on the ground gracefully. Different from the day before, he took out a large piece of paper and laid it under his hat. Then he began to play the violin. It sounded more pleasant than ever.

       Soon he was surrounded with people who were attracted by the words on that paper. It said, “Last night, a gentleman named George Sang put an important thing into my hat by mistake. Please come to claim (认领) it soon.”

    After about half an hour, a middle-aged man rushed through the crowd to the violinist and said, “Yes, it's you. I knew that you were an honest man and would certainly come here.” The young violinist asked calmly, “Are you Mr George Sang?” The man nodded. The violinist asked, “Did you lose something?”“It's a lottery ticket,” said the man. The violinist took out a lottery ticket on which George Sang's name was seen. “Is it?” he asked. George nodded and took the lottery ticket and kissed it, then danced with the violinist.

    The violinist was a student at an arts college and had planned to attend advanced studies in Vienna. Later his classmate asked the violinist, “At that time you needed money to pay the tuition and you had to play the violin in the railway station every day to make money. Why didn't you keep the lottery ticket for yourself?”

    The violinist said, “Although I don't have much money, I live happily. But if I lose honesty I won't be happy forever.” Through our lives, we can gain a lot and lose so much. But being honest should always be with us.

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    In the near future, IoT (Internet of Things) will drive huge innovation (革新) in the way our food is grown. Plants will have a "voice", not a human voice, but a voice based on data that can tell people, computers, and machines when, for example, they are thirsty, or need more sun, medicine, etc.

    Take vertical (垂直的) farms, for example. Farming is moving indoors where the growth of plants can be monitored and controlled. The facilities are built vertically, so growing areas can be put in piles. This greatly reduces the amount of land needed for farming.

    From an IoT point of view, vertical farms are connected in two ways. First, small sensors (传感器) in the soil or connected to plants tell a control system exactly how much light, water, and nutrients are needed to grow the healthiest crops. Sensors will also tell vertical farmers when crops are nearing their peak for harvesting at just the right time to make sure it's still fresh when it reaches its final destination.

    Second, vertical farms will be connected to other networks and information systems, including databases that track local demand. For example, local restaurants may input when they need fresh food supplies. And vertical farmers could get that information so they know which crops to grow in what quantities. This type of IoT system would have been unimaginable a generation ago.

    Today, vertical farms are being experimented. Yet, the numbers point to a bright future for the industry, especially as the world's population continues to grow. For example, Green Sense Farms in Chicago is able to harvest crops 26 times a year using 85 percent less energy, one-tenth the water, and no pesticides. A side benefit of lower energy use is lower CO₂ output of two tons per month, with the added benefit of creating 46 pounds of oxygen every day.

    It's already challenging enough for environmentalists to keep beaches clear of washed up trash(垃圾) and plastic debris(残骸), but the most difficult problem lies in cleaning up all of the millions of tiny microplastics that are impossible to pick up and separate from the sand.

    Fortunately, a group of engineering students succeeded in developing a massive new vacuum cleaner that can collect microplastics without removing any of the sand from the beach. The 12 Canadian students from the University of Sherbrooke in Quebec built their Hoola One plastic vacuum cleaner as a class project.

    "We did some research and we realized there was no machine around the world to do this kind of job," Hoola One co-founder Sam Duval told Hawaii Public Radio. "So we told each other, 'We will invent it,' and we did it."

    As a means of testing their machine's efficiency, they recently used it on the sands of Hawaii's Kamilo Beach, which is also notorious for being one of the dirtiest beaches in the world. Though their first prototype(原型)experienced a number of technical issues, the students managed to fix the problems and tidy up the beach.

    Using a handheld tube, the machine sucks(吸入)up plastic and sand and dumps them all into a massive tank of water. Since rocks and sand are heavier than plastic, they sink to the bottom of the tank so they can be dumped back onto the beach. The plastic, on the other hand, floats to the top of the tank.

    According to Hawaii Public Radio, the team left the Hoola One vacuum on the island as a donation to the state department- They are now researching the ecological effects of the vacuum on the beach while they search for funding and sponsorships(赞助)to produce more Hoola One vacuums.

    I stopped to watch my little girl busy playing in her room. In one hand was a plastic phone ; in the other a toy. I listened as she was speaking to her make-believe little friend and I'll never forget the words she said, even though it was imagined.

    She said, "Suzie's in the corner because she's not been very good. She didn't listen to a word I said or do the things she should." In the corner I saw her baby doll well dressed. It was obvious that she'd been put there to sit alone and think.

    My daughter continued her "conversation", as I sat down on the floor. She said, "I'm all fed up and I just don't know what to do with her any more. She cries whenever I have to work and wants to play games too. She tries to help me with the dishes, but her arms just cannot reach... And she doesn't know how to fold towels. I don't have the time to teach. I have a lot of work to do and a big house to keep clean. I don't have the time to sit and play - don't you know what I mean?"

    And that day I thought a lot about making some changes in my life, after listening to her innocent words which cut me like a knife. I hadn't been paying enough attention to what I hold most dear. I'd been caught up in responsibilities that increased throughout the years.

    But now my attitude has changed because in my heart I realize that I've seen the world in a different light through my little darling's eyes. So let the cobwebs(蜘蛛网) cut the corners and the dust bunny rabbit rule the floor. I'm not going to worry about keeping up with them anymore.

    I'm going to fill the house with memories of a child and her mother, for we have only one childhood and we will never get another.

Latin is considered as a dead language by some people, but a little {#blank#}1{#/blank#} (many) disagree. They think that Latin is not dead because news {#blank#}2{#/blank#} (report) by the Roman Catholic Church in Latin regularly. While its use is still taught, Latin is no {#blank#}3{#/blank#} (long) considered to be a developing language to the degree of most modern languages. There are many reasons {#blank#}4{#/blank#} Latin is dying out. The most important one has to do with the fall of the Roman Empire. During the Roman period, Rome was the most {#blank#}5{#/blank#}(power) country in the Western world, so most of those {#blank#}6{#/blank#} wanted to succeed tried to learn Latin. As a result, the language developed quickly. But that rapid {#blank#}7{#/blank#} (develop) slowly stopped. Latin continued to be used during the Middle Ages. Throughout Europe, it remained the language of choice. However, there was no need {#blank#}8{#/blank#} a standard language, so Latin began to change when different {#blank#}9{#/blank#} (area) developed their own languages over a period of hundreds of years, of which the most {#blank#}10{#/blank#} (common) spoken are Spanish, Portuguese, Italian and French.