Goods may be sent by surface mail or airmail.
货物可通过平邮或空运发送。
About 7 weeks by surface mail. But it is more cheaper.
海运要花费大约7周的时间，但会便宜多了。
Do you want to mail them by surface mail or by airmail?
您想按水陆路邮寄还是按航空邮寄?。
Why don't you send your printed matter by surface mail ?
为什么你不按普通邮件寄这印刷品？
The others are ordinary letters. You may send them by surface mail.
其他的都是普通信件，用平信寄出就行了。
The others are ordinary letters. You may send them by surface mail.
其他的都是普通信件，用平信寄出就行了。
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