What's the air mail rate?

航空邮资多少？

youdao

Letters to and from the islands from mainland France are treated as domestic mail, and charged at the domestic rate.

无论是来自法国内陆的信件，还是发到法国大陆的信件，都被当做国内信件邮寄，邮费也是按照国内信件的费用收取。

youdao

Japan's low churn rate has several causes. For one thing, subscribers who switch can take their phone Numbers with them, but not their associated E-mail addresses.

日本的低转网率有如下几条原因：首先，用户转网时可以保留手机号，却无法保留与之绑定的电子邮件地址。

youdao

.. In 1799, it would cost so much to mail a letter-- I don't know exactly, something like $10 or $20 to mail a letter at today's rate-- and it would take a long time get there.

在1799年，寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。

耶鲁公开课 - 金融市场课程节选

Over half rate e-mail as essential to their work and most agree that e-mail is effective for both the simplest of tasks and for more complicated projects.

BBC: US workers spared junk e-mails

Hong Kong (CNN) -- When architect James Law looks in the mirror each morning his reflection is not all that greets him -- he can also see the weather report, e-mail messages and his heart rate.

CNN: China looks to lead the Internet of Things

With it users have been able to close more business deals and increase the response rate to e-mail.

FORBES: My Software Isn't Creepy