开头套语：

It is so great to hear from you again.

It is a great pleasure for me to …

With great delight I learned that …

I must apologize for not writing to you sooner.

建议：

In my experience, it seems that _______ would make sense in your situation

In my opinion, it would be wise for you to take the following actions:

感谢：

I truly appreciate your kindness.

Thank you from the bottom of my heart for...

道歉：

I apologize most sincerely for...

I am so sorry to have put you through so much trouble...

邀请：

We would be honored to have you there with us...

I will cover all the expense involved.

抱怨：

I very much regret to have to inform you that...

We will appreciate your willingness to make up for the loss

I hope that the above situation will be improved as soon as possible

咨询：

I would like to request some information about...

Should I need to send further materials, please let me know.

求职：

In anwser to your advertisement I wish to apply for a post as … in your office.

I hope I may be granted an interview…