Posting Letters
邮寄信件
Where is the mailbox?
邮箱在哪儿?
Some stamps for letter, please.
请贴上邮票。
I want to register this letter.
我想把这封信寄挂号。
Where do I write the return address?
收信地址应该写在哪儿?
It seems that your letter is overweight.
你的信似乎超重了。
I suggest you send it by registered mail with A. R.
我建议你寄带回执的挂号信。