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A I suppose that to go by train is cheaper, but I don't have much time.
我想坐火车会便宜一些，但是我没有那么多的时间。
B Maybe you should go by air. It'll be much quicker.
也许你应该乘飞机去。那样会快很多。
A How long does it take to fly to Shanghai?
乘飞机到上海需要多长时间？
B It's only about an hour.
大约只需要一个小时。
A And there are many flights every day, aren't there?
而且每天都有很多次航班，是吗？
B Yes, but it'll be more expensive than travelling by train.
是的，但是乘飞机比坐火车要贵。
1 If you want to ask how much time something takes, you can say How long does it take to fly to Shanghai? How long does the opera last?
如果你要问做某事需要多长时间，你可以说How long does it take to fly to Shanghai?（乘飞机到上海需要多长时间？）How long does the opera last?（歌剧演出要多长时间？）
2 Remember, if you only compare two things, use the comparative form: It is much quicker. It's more expensive than travelling by train.
记住，如果你只比较两个事物，用比较级形式：It is much quicker.（快得多。）It's more expensive than travelling by train.（比坐火车要贵。）
如果你想问做某事需要多长时间，可以使用以下句型：
How long does it take to fly to Shanghai?（乘飞机到上海需要多长时间？）
How long does the opera last?（歌剧演出要多长时间？）
这两个句型在日常生活中非常实用，无论是计划旅行还是安排活动，都能帮到你哦！
在比较两种事物时，记得使用比较级形式！例如：
It is much quicker.（快得多。）
It's more expensive than travelling by train.（比坐火车要贵。）
记住，比较级通常在形容词后加“-er”或者在前面加“more”哦！
根据上面的知识点，试着回答以下问题：
How long does it take to walk to the park?
Is it quicker to take a taxi or ride a bike?
Which is more expensive, flying or taking a train?
写完后，可以找朋友或老师检查一下哦！
