①  Please find the attached n.p. ...

       請查收附件......。

　　... are included in the attachment.
       附件包含......。 

②  ... has been received.
       ......已收到。

③  Thank you for ... which I received today.
       謝謝您的......，我今天收到了。

④  For your information, ...
       提供資訊給您，......。

⑤  Just to inform you that + n. clause ...
       Just to let you know that + n. clause ...
       只是要讓您知道，......。

⑥  Please be notified that + n. clause ...
       請知悉......。

⑦  This is just a quick note to let you know that + n. clause ...
       這是一封簡短的通知，只是要讓您知道......。