How long does regular mail take?

平邮需要多长时间？

No, just send it by regular mail.

不需要，用平信寄就可以了。

How did regular mail get delivered?

那普通的信件怎么寄呀？

How long does it take by regular mail?

我寄平信。需要多久时间到达？

Steven: I'd like to send it by regular mail.

史蒂文：我想寄个普通邮件。