How long does it take to fly to Shanghai? 乘飞机到上海需要多长时间？
A: I think that to go by train is cheaper, but I don’t have much time.
A: 我想乘火车更便宜一些，但是我没有那么多的时间。
B: Maybe you should go by air. It ’ll be much quicker.
B: 也许你应该乘飞机去。那会快很多。
A: How long does it take to fly to Shanghai?
A: 乘飞机到上海需要多长时间？
B: It’s only about an hour.
B: 大约只需要一个小时。
A: And there are many flights every day, aren’t there?
A: 每天都有很多次航班吗？
B: Yes, but it’ll be more expensive than travelling by train.
B: 是的，但是乘飞机比坐火车要贵得多。