Lily has lots of stamps. She can learn much from them and use them to mail letters.

莉莉有很多邮票。她可以从它们身上学到很多东西，并用它们来寄信。

youdao

Streamlined is like a mail merge -- one that uses metadata for each model object to create not mail letters, but whole applications.

Streamlined 就像个邮件合并 —— 只是它为每个模型对象使用元数据来创建整个应用程序，而不是邮件。

youdao

Chicken feathers being bulky and uneconomical, the Communications Corps decided to print Communications stamps so that civilians might also mail letters.

用鸡毛既不方便也不经济，于是通讯大队决定印制邮票，这样老百姓也可以寄信了。

youdao

Chinese-Americans could buy goods, mail letters and money home, get news about the community and meet with friends.

VOA: special.2010.03.03

It gave the job of carrying the letters to a new company the Overland Mail Company.

VOA: special.2009.05.28

But polls show Americans would prefer fewer days of mail delivery to higher prices for mailing letters and packages.

VOA: standard.2010.04.13

What they did was mail letters to 10 fake addresses in 159 countries and see how long it took them to be returned, and what percentage of them are returned.

FORBES: Is The U.S. Postal Service The World's Most Efficient?

The company would mail letters through the post rather than attend in person and charge a fee for the privilege even though the demand would say a bailiff had called themselves and attended.

BBC: Bailiffs: Your stories

You then review and sign the letters, enclose any supporting materials (such as copies of receipts), and mail the letters to the CEO and customer care executive.

CNN: Got a problem? Complain online!