You want to send a package by air mail. As it is only a book you send it as printed matter.

你要航空邮寄一个包裹。因为仅仅是一本书，所以你决定按印刷品邮寄。

youdao

You want to send a package by air mail. As it is only a book you send it as printed matter.

你要航空邮寄一个包裹。因为仅仅是一本书，所以你决定按印刷品邮寄。

youdao