To give you some ideas of various types of bicycles we are dealing in, we are pleased to send you, under separate cover, by air-mail our latest catalogue and a price list.

为使你方了解我方经营的各种自行车，我们很高兴令封航邮寄我们的最新产品目录与价格单一份。

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We sent the letter by air mail.

我们通过空邮寄信。

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The contract will be sent to you by air mail for your signature.

合同会航邮给你们签字。

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Correspondents did as they were bidden, filing their copy by air-mail letter or, in later years, by telex.

ECONOMIST: Nancy Balfour

"We are mapping out a return-to-service plan, and we look forward to getting our 787s back in the air, " she said by e-mail.

NPR: FAA Approves Resumption Of Boeing 787 Flights