Business Letter or Official Correspondence

• 和私人信件

Business Letter or Official Correspondence的用法和样例：

例句

1. This letter is personal,and I don't want anyone else to read it.
   这是一封私人信件，我不想叫任何人看。
2. My letter is, of course, strictly private and confidential.
   当然，我的信纯属私人信件，务须保密。