第一句：Why do people like to buy liquor in duty-free shops?

为什么人们喜欢在免税商店买酒呢?

A: Why do people like to buy liquor in duty-free shops?

为什么人们喜欢在免税商店买酒呢?

B: What do you mean? It's because it's much cheaper to buy liquor in duty-free shops.

什么意思?因为在免税商店买酒便宜很多。

A: But why?

为什么?

B: Well, it;s because in most countries liquor has a higher tax on it.

因为大部分国家酒类的税比较高。

第二句：Cigarettes are also taxed very heavily.

香烟的税也很高。

A: A lot of people buy cigarettes here too, isn't it?

很多人也在这儿卖香烟，对不对?

B: Yes. Cigarettes are also taxed very heavily.

是的，香烟的税也很重。

A: Now I understand. But I don't smoke.

现在我懂了，但是我不抽烟。