投诉信英语作文模板

Dear [收件人姓名],

I am writing to express my dissatisfaction with [描述问题]. I am very disappointed with the service/product I received and I believe it is important to bring this to your attention.

[详细描述问题，包括时间、地点、产品/服务名称等]

I would like to request a prompt resolution to this matter. [提出解决建议，例如退款、修理、更换等]

I look forward to hearing from you soon and hope that we can resolve this issue in a timely and satisfactory manner.

Sincerely,

[你的姓名]