send a letter by post的意思|示意

You call it an "empty envelope" to emphasize that it should eventually contain a "letter" (perhaps a business letter) before you can send it by "post".

称其为“空envelope”是为了强调在通过“投递”发出它之前，它最终应该包含一封“信”(也许是商业信)。

You can get woman's contact information such as girl's postal address and contact her directly by post or send her a letter via our easy to use and fast mail-forwarding system.

你可以得到女人的联络信息，如女孩的邮政地址和联系方式，她以邮寄或直接送她写封信通过我们的易于使用和快速邮件转发系统。