You could go to Shanghai by train.
你可以乘火車去上海。

A You could go to Shanghai by train.

A 你可以乘火車去上海。

B I like travelling by train. It's more interesting.

B 我喜歡乘火車旅游。乘火車更有趣

A Well, if you have time, you should consider it.

A 哦，假如你有空閑的話，應(yīng)該考慮乘火車。

B How long does it take?

B 乘火車需要多久？

A You can catch the overnight^{1 train. It takes about 12 hours.}

A 你可以乘夜車。需要12個(gè)小時(shí)。

B I'll think about it. Maybe I will take the train.

B 我會(huì)考慮的。或許我會(huì)乘火車去。

Notes 注解

1 If you suggest a possibility, you can use could / could, e.g. You could go to Shanghai by train. / You could go to Shanghai by train.; You could catch the 10 o'clock flight / You could catch the 10 o'clock flight.

假如你建議某種可能性，可以用could /可以，比如：You could go to Shanghai by train. /你可以乘火車去上海。; You could catch the 10 o'clock flight. / 你可以趕上10點(diǎn)的航班。

2 Remember, you can also use should / should when you make a suggestion: You should consider it. / You should consider it.

請記住，當(dāng)你在提出建議時(shí)也可以用should /應(yīng)該：You should consider it. /你應(yīng)該考慮考慮。

3 When you ask how long a journey or a train trip or a flight takes, you usually reply: It takes . . . / It takes . . . e.g. It takes about one hour. / It takes about one hour; The Beijing- London flight takes about 10 hours. / The Beijing - London flight takes about 10 hours.

當(dāng)某人問旅程，如乘火車或者飛機(jī)需要多久時(shí)，一般可以如此回答：It takes . . . / 它需要 . . . 比如: It takes about one hour. / 大約需要1小時(shí); The Beijing-London flight takes about 10 hours. / 北京到倫敦的航班需要10個(gè)小時(shí)。

Key phrases^{2 and sentences
要緊的短語和句子}

You could go to Shanghai by train.
你可以乘火車去上海。

I like travelling by train.
我喜歡乘火車旅游。

It's more interesting.
乘火車更有趣。

Well, if you have time, you should consider it.
哦，假如你有空閑的話，應(yīng)該考慮乘火車。

How long does it take?
乘火車需要多久？

You can catch the overnight train.
你可以乘夜車。

It takes about 12 hours.
需要12個(gè)小時(shí)。

I'll think about it.
我會(huì)考慮的。

Maybe I will take the train.
或許我會(huì)乘火車去。