Excuse me. Where can I buy stamps? 对不起。请问我要在哪里买邮票？

At which window do they sell stamps? 哪个窗口卖邮票呢？

Third on the right is the counter. 右边的第三个窗口就是。

What kind of stamp do you need? 你需要什么样的邮票？

Please give me nine five-cent stamps. 请给我九张五分的邮票。

Here’s three dollars and fifty cents in stamps. 这些邮票总共是3元50美分。

I’d like to have some commemorative stamps. 我想要买些纪念邮票。

Do you sell envelopes here? 你卖信封吗？

I’d like to buy some postcards. 我想买几张明信片。

How many postcards do you want? 你需要几张明信片。

Where’s the parcel post counter, please? 寄包裹的柜台在哪里？

I’d like to mail this package to Shanghai. 我想要寄这个包裹到上海。