我们已收到你们7月17日的来信，非常感谢。

We have received your letter of the 17th July with thanks.

youdao

我们已收到你们7月17日的来信，非常感谢。

Dear Sirs, We have received your letter of the 17th July with thanks.

youdao

非常感谢你于2003年3月7日的询盘函。我们很高兴再次收到你的来信。

Thank you for your inquiry of March 7th, 2003 and we are very glad to hear from you again.

youdao

非常感谢你于2003年3月7日的询盘函。我们很高兴再次收到你的来信。

Thank you for your inquiry of March 7th, 2003 and we are very glad to hear from you again.

youdao