1. I am writing to confirm /enquire/inform you...
我写信时要确认/询问/通知你。。。
2. I am writing to follow up on our earlier decision on the marketing campaign in Q2.
我写信来追踪我们之前对于第二季度营销活动的决定。
3. With reference to our telephone conversation today...
关于我们今天在电话中的谈话。。。
4. In my previous e-mail on October 5...
先前在10月5日所写的信。。。
5. As I mentioned earlier about...
如我先前所提及关于。。。
6. as indicated in my previous e-mail...
如我在先前的信中所提出。。。
7. As we discussed on the phone...
如我们上次在电话中的讨论。。。
8. from our decision at the previous meeting...
如我们在上次会议中的决定。。。
9. as you requested/per your requirement...
按照你的要求。。。
10.In reply to your e-mail dated April 1，we decided...
回答你在4月1日写的信，我们决定。。。
