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    I stood there listening to my father shout at top of his voice. The look on his face said that one of us had done something wrong.

    “Which one of you did this?”

    We all looked down at the step. There was child's handwriting in chalk there. I was very frightened. I hope no one could see it. Would he guess it was me? I was so scared. When he asked me, I lied, “Not me, dad.” The other denied(否认) it as well. Of course, we all knew that one of us must have done it. But as the youngest and smallest of the three, I just couldn't find courage to tell the truth.

    To find out who had written on the step, Father gave us each a piece of paper and a pencil. “I want each of you to write exactly what you see on the step.” I tried my best to write the words differently. I didn't want dad to be able to tell it was me.

    He gathered up our paper and looked at them. “Since none of you will say yes, then I will punish you all.” I stood there and said nothing. The last thing I wanted was for Dad to punish me!

    “I did it.” My sister walked forward and said she had done something she hadn't. She was punished for a month.

   We didn't talk about that day for many years. Not until we were all older and I knew it was safe to finally tell my dad it was really me. I always felt sorry because of it. That was the last time I let anyone take the blame for me. I told myself, “One must see to what he or she has done.”

    The class teacher thought that hobbies were important to children. So she encouraged all her students to have one, and sometimes she arranged hobby shows for their parents to see.

    One morning the teacher told the class to have a holiday and get their hobby things to school before 5:00 p. m. A hobby show would be held the following afternoon.

    So in the afternoon, the students with nothing to show did their lessons at school as usual, while the lucky ones had a holiday to go home for their hobby works.

    When the afternoon lessons began, the teacher was surprised to see that Tommy was not there. "I don't believe Tommy has a hobby, "she thought. However, at a quarter to five, Tommy arrived with a beautiful collection of butterflies(蝴蝶) in a glass case. The teacher liked the samples（标本） very much and put them on a desk in the classroom. But, to her surprise, Tommy picked them up again and began to leave.

    "What are you doing, Tommy? "she asked. "Those things must stay here until tomorrow afternoon. That's when the parents are coming to see them. "

    "I know that, "answered Tommy, "and I will bring them back tomorrow, but my brother doesn't want them to be out of our house at night."

    "But, aren't the butterflies yours?" asked the teacher.

    "No," answered Tommy." They are my brother's."

    "But Tommy, you should show your own hobby here, not somebody else's!"

    "I know that, "answered Tommy. What surprised her most was the answer, "My hobby is watching my brother collecting butterflies."

With her eyes always feeling tired, 16-year-old Sun Run went to the hospital with her parents in January. She was shocked when she found out that her eyesight(视力） dropped from 5.0 to 4.6 in only 5 months. "A few of my friends have had the same experience lately," Sun said.

In fact, poor eyesight among Chinese primary and middle school students rose from 59.2 percent to 70.6 percent in the first six months of 2020, according to the Ministry of Education (教育部).

To protect students' eyesight, the Chinese government has worked out new requirements (要求) for schools. For example, according to the requirements, the size of text in students' textbooks should be no smaller than nine-point (小五号). Teachers should also avoid (避免) using projectors (投影仪) or other multimedia equipment (多媒体设备) that are too bright, Beijing Daily reported.

There are also requirements for desk and classroom lights. For example，these lights should give off as little blue light as possible. Blue light is bad for our eyes, as it can kill the photoreceptor cells (感光细胞) we need, according to Harvard Medical School. Many of the electronic devices (电子设备) we use every day, including our phones and computer screens, give off blue light. Chinese government has also taken other steps to protect students' eyesight in China. In May 2020, schools were asked to make sure that students have at least two hours of outdoor activities a day. 

Chinese government has made great effort to help students to protect their eyesight. As well, students should take good care of their eyes.

With most Chinese people speaking Mandarin, or putonghua, some local dialects, or fangyan, are in danger of disappearing. To save them, the Chinese government started the Chinese Language Resources(资源) Protection Project in 2015.

This project looked at how people talk in 1,712 places. Their languages included 103 dialects that are almost gone. Over five years, more than 350 universities and research groups joined in, along with over 4,500 experts(专家)and more than 6,000 dialect speakers.

This project has helped China to build the largest language resource library in the world. Now a dialect library has been built online, where people can learn dialects from over 5.6 million recordings and over 5 million videos. At present, the project has entered into the second stage. It plans to create digital tools like apps and mobile dictionaries to help people learn dialects.

Why is it important to protect the dialect culture? According to British expert Harold Palmer, dialects are the key to keeping local cultures, because they faithfully show the histories, the beliefs and the fixed ideas of an area.

Zhang Hongming, another expert, talked about the worrying situation of dialects. "For about over 10 years, in the Wu dialect areas such as Shanghai and Suzhou, children aged 6 to 15 can understand but hardly speak the dialect. Besides, young people above 15 years old sometimes speak it, but not very well. If this keeps happening, the dialect might disappear." he said.

So, not only the country but every one of us should do our bit to protect dialect culture.

Drinking a cup of milk tea with friends? That's "city". Visiting the Great Wall of China? Very "city". Riding a bike down Shanghai's Anfu Road? Quite "city".

If you don't get it, let me explain it to you. The popularity of "City bu city?" has risen on the Internet these days. You can use it to describe whether someone, or something is urban (都市的) and modern or not.

"City bu city?" was first used by American blogger Paul Mike Ashton. He has lived in Shanghai with his sister for years. His name on the Internet is "Bao Bao Xiong". He likes sharing travel experiences in China on Douyin and Xiaohongshu. Ashton became popular after he shared a video of him asking his sister "City bu city?" on the Great Wall.

The word "city" itself has now taken on a new meaning as an adjective (形容词). Ashton himself says that it describes something that happens in the city, but it can also be "something that gives you a great love for life".

In recent years, a large number of foreign tourists like Ashton have been sharing their experiences of visiting China online. Topics about travelling in China are becoming more and more popular. Now people around the world can learn more about different places of modern China and Chinese way of life. And all of these are shown in a more emotional (感性的), friendly and natural way.