subway

In China, the problem about immoral behavior in public has been widely reported. Chinese people always said that is because the low population quality with self-mockery.

One way to get around in big cities like Beijing and Shanghai is to take a taxi, but it’s too expensive.

Bus: This is the most common transporting means, because it's so cheap and efficient. You can go to other cities by bus, but it's very slow in rush hours.

Directions: For this part, you are allowed 30 minutes to write a composition of the bus and the subway train as means of city traffic. Your conclusion should be in favor of developing underground mass

上海地铁追尾（rear-end）事故受伤人数达270余人 rear-end就是指追尾，即一车从后面撞上前方的车，例如：My car was rear-ended by a truck.（我的小车被一辆卡车追尾。） 如果是在高速公路上发生连环相撞则称为pileup或者chain-reaction collisions，pileup