nothing but english

With reference to the….

Further to the…

I am writing in connection with…

With regard to…(不可用在信件的開頭)

Regarding P.O.#....

As…

1.         With reference to our telephone conversation today......      關於我們今天在電話中的談話......

2.         In my previous Email on October 5......      先前在10月15日所寫的信......

3.         As I mentioned earlier about......      如我先前所提及關於......

4.         As indicated in my previous Email......      如我先前的信所指出......

5.         As we discussed on the phone......      如我們在電話中的討論......

6.         From our decision at the previous meeting......      如我們上次會議的決定.......