我几周前给您发过一封信，非常感谢您当时及时的回信！

I give you a few weeks ago to issue a letter, thank you very much then promptly reply!

youdao

我几周前给您发过一封信，非常感谢您当时及时的回信！

I give you a few weeks ago to issue a letter, thank you very much then promptly reply!

youdao