Selling Yunnan's fresh air could also be seen as a way to raise concern about the pollution issue, Hu Kailin, an environmental science expert said.
同时,环境科学专家胡凯琳表示,此次事件也可以提高人们对于空气污染的关注度。
Selling Yunnan's fresh air could also be seen as a way to raise concern about the pollution issue, Hu Kailin, an environmental science expert said.
同时,环境科学专家胡凯琳表示,此次事件也可以提高人们对于空气污染的关注度。
应用推荐