1. I am writing to confirm/enquire/inform you.我发邮件是想找你确认/询问/想通知你 有关2. I am writing to follow up on our earlier decision on the marketing campaign in Q2.我写邮件来是为了跟进我们之前对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.在之前10月5日所写的邮件中提到5. As I mentioned earlier about.在先前我所提到的关于6. As indicated in my previous e-mail.如我在之前邮件中所提到的7. As we discussed on the phone.如我们上次在电话中所说的8. from our decisio