Hi, I’d like to mail the postcards abroad, please. 我想把这些明信片寄出国。

Where do you want to send them? 你要寄到哪里？

China. 中国

You just stick a stamp on the postcard and put it in the mailbox over there.

贴张邮票再扔到前边那个邮筒里就可以了。

How much does it cost for a postcard? 一张明信片要贴多少钱的邮票

It’s 15 rupees for each postcard. 15卢比

I wanna 10 stamps of 15 rupees, please. 那请给我10张15卢比的邮票。

其他补充：

I’d like to mail this letter abroad by regular mail. 我要寄平信。

平信还可以用：ordinary mail 或者 surface mail.

I’d like to have this letter registered. 我要寄挂号信。

I’d like to mail this parcel to China. 我要寄包裹到中国。

I’d like to send an airmail express.
我要寄国际快递。