When we first make a complaint the usual response is a request to write a letter:  “Can you put that down in writing please?”
当我们想要抱怨的时候,最先得到的答复一般是:“请把您要投诉的内容以书面形式写下来。”

Let’s first take a look at the advantages of writing a letter of complaint are that:
那就让我们先来看看写信抱怨的好处:

1.Written records are still very important, e.g. in legal matters as opposed to a fax or email.
书面记录仍然非常重要,比如在法律事务上是不允许用传真或电子邮件的。

2.You have complete control over what is being said, and you can present evidence.
你可以完全控制自己要说的内容,还可以提供证据。

3.You can be prepared, and plan your letter carefully.
你可以详细规划如何写抱怨信。

4.You are able to keep copies of anything sent in writing.
对于你所写的任何东西,你都可以做备份。

5.You have time to reflect and/or consult as opposed to complaining on the spot.
你有时间去好好反思或者去咨询意见,但是去现场抱怨的话,就没有这个优势了。

So here are some useful points to consider when writing your letter:
所以下面为你列举了一些写抱怨信时的实用招数:

State what went wrong exactly. You need to provide concrete evidence, with documentation, for example a receipt, where possible. Make sure you keep copies of all correspondence, including relevant documentation. You also need to state where, when, who was involved, what was said or done. Photographic or video evidence boosts your case.
确切指出哪里出了问题。你需要提供确实的证据,如果可能的话再附上详细的说明文档,比如发票。所有的来往信函都要有备份,包括相关的证明文档。你还要说明确切的时间、地点、人物、说过的话或做过的事。有照片或录像的话就更加有利了。

What do you expect from your complaint?  If you are complaining about a situation at work, focus on taking action to improve situations rather than spending your time complaining.
通过抱怨,你期望得到什么反馈?如果你是在抱怨工作中遇到的问题,那就要关注改善这一问题所作出的行动,而不是只把时间花在抱怨上。

Make sure you address the complaint to the relevant person.
还要确定你的抱怨信能够寄到相关人员的手中。

This will be more likely to ensure that you will achieve a satisfactory outcome from your complaint. Good luck!
这样做,你就很有可能从你的抱怨信中获得满意的答复了。祝你好运!

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