-- What do you think of ‘Eat-up’ Campaign (光盘行动)? --I think it’s really necessary. It is reported that the food that Chinese people every year is enough to feed 200 million people for a year.
-You look so worried, what’s wrong? -More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.