Dear__________,
I am writing this letter to call on_________. As some of you may know,________. In face,________.
It is necessary for us to________. On the one hand,__________. On the other hand,_________. Hesce, it is high time________. Firstly, we should_____________. Secondly,___________.
Please contact us via_________. Please join us in the effort to __________.
Thank you for your paiticipation
Sincerely,
____________
编辑推荐：
新东方英语四级：https://www.thea.cn/wx1820/
