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？

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。

But why? 为什么？

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。

Cigarettes are also taxed very heavily. 香烟的税也很高。

A lot of people buy cigarettes here too, isn't it? 很多人也在这儿卖香烟，对不对？

Yes. Cigarettes are also taxed very heavily. 是的，香烟的税也很重。

Now I understand. But I don't smoke. 现在我懂了，但是我不抽烟。