I am writing this letter to tell you how disappointed I have been with the after-sale service at your shop.

我写信是想告诉贵店，我对你们的售后服务非常失望。

youdao

The letter related to the sale of the house.

这封信涉及房子的出售。

youdao

I'm writing this letter in purpose of complaining about your after-sale service.

我写这封信要投诉你们的售后服务。

youdao

Mr Foster, a trustee of Auckland Castle, has written a letter of complaint about the proposed sale to the church commissioners.

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The gap spurred Orange Capital in February to send a letter to Strategic's board urging a sale.

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In an open letter to shareholders, Sir Stelios said the sale was intended as "a clear message to our directors".

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