Dear __________,
亲爱的，
My name is __________, and I am __________. I venture to write you a letter about __________.
我的名字是，我是。我冒昧地给你写一封信，内容是“投诉的焦点是”。就这件事来说。另一个是。在这种情况下，我找到了。老实说，是的。此外，还有。总之，还有很大的改进空间。
The focus of the complaint is _________. For on thing,___________. For another,__________. Under these circumstances, I found / find it __________. Honestly speaking, _________. In addition,__________. All in all, there is still much room for improvement.
我真的希望。感谢您的时间和周到的考虑。
I do hope _________. Thank you for your time and kind consideration.
真诚的您
________