There is a popular short video on the Internet. In short video, a guide is teaching visitors about trash sorting(垃圾分类）on a bus to Shanghai. She also asks questions (loud) to test them on it.
"It seems that she is teaching a group of (kid)," some Internet users said, "a lovely guide!"
The bus in the short video started from Hangzhou. the visitors were happy, some of them were a little worried. They (wonder) how to sort trash in Shanghai. Wang Yuqin, the guide, decided (share) her knowledge(知识) of trash sorting with them.
Wang was not the only one to do it. When Shanghai started its new rule about trash sorting, quite a few travel agencies(旅行社)started to help with trash sorting in (they) own ways. Some hotels also thought of ways to help visitors. They put more bins(垃圾箱)in (difference) places and help people sort trash.
With the help of people Wang, visitors won't need to worry about trash sorting.
