What's the air mail rate?

航空邮资多少？

youdao

Royal Mail says it is losing traffic at a rate of some 10% a year.

皇家邮政说，他们目前每年都会流失10%的业务量。

youdao

Royal Mail says it is losing traffic at a rate of some 10% a year.

皇家邮政说，他们目前每年都会流失10%的业务量。

youdao