范文：
Title: How to Write a Complaint Letter in English
[Your Name]
[Your Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]
[Recipient's Name]
[Recipient's Title]
[Company/Organization Name]
[Company/Organization Address]
[City, State, Zip Code]
Dear [Recipient's Name],
Subject: Complaint Regarding [Product/Service]
I am writing to formally lodge a complaint regarding the [specific product/service] I purchased from your company on [purchase date]. I am disappointed with the quality and the customer service I have received, and I hope that this letter will prompt the necessary actions to resolve the issue.
The details of my complaint are as follows:
1. Product Quality:
The [specific product] I received was defective. [Describe the defect in detail.]
[Add any other issues related to the product's quality.]
2. Customer Service:
I encountered [specific issue with customer service], which resulted in [negative outcome or inconvenience.]
The representative I spoke to was [describe the representative's attitude or behavior].
3. Expected Resolution:
I would appreciate a replacement or a full refund for the defective product.
I would also like to see an improvement in the customer service provided by your company.
I have enclosed copies of the receipt and the defective product for your reference. I would be grateful if you could acknowledge receipt of this letter and provide a resolution within [specify timeframe, e.g., 7 days].
Please contact me at your earliest convenience at [your phone number] or [your email address] to discuss this matter further.
Thank you for your attention to this matter. I look forward to a prompt and satisfactory resolution.
Sincerely,
[Your Name]
常见问答知识清单及解答：
1. 问：投诉信应该怎么写？
答： 投诉信应包括收信人信息、发信人信息、日期、主题、正文（描述问题、原因、影响、期望的解决方案）和结束语。
2. 问：投诉信中应该包含哪些信息？
答： 投诉信应包含具体的产品或服务名称、购买日期、问题描述、对客户服务的评价、期望的解决方案和联系方式。
3. 问：投诉信的语气应该是怎样的？
答： 语气应保持礼貌和专业，即使对产品或服务不满，也应避免使用侮辱性语言。
4. 问：投诉信应该寄给谁？
答： 投诉信应寄给负责处理客户投诉的部门或个人。
5. 问：投诉信需要多长时间才能得到回复？
答： 通常，公司会在收到投诉后的7到14天内回复。
6. 问：如果投诉没有得到解决，我应该怎么做？
答： 可以联系消费者保护组织或法律顾问寻求帮助。
7. 问：投诉信中可以附上照片或视频作为证据吗？
答： 可以，如果相关证据有助于说明问题，可以附上。
8. 问：投诉信中应该避免哪些内容？
答： 避免使用侮辱性、攻击性或过于情绪化的语言。
9. 问：投诉信的格式是怎样的？
答： 格式通常包括信头、称呼、正文、结束语和签名。
10. 问：投诉信的结尾应该怎么说？
答： 结尾可以表达对解决问题的期待，如“期待您的回复”或“感谢您的关注”。
