Thanksagain for your kind help./Again, I would like to express our sincere thanks toyou.

對您的好意相助再次表示感謝。/再次向您表示我們衷心的感謝。

1.I am writing to express my thanks/convey my gratitude to you for doing...

我寫這封信表達我對您的感激,因為您做了……

2.I’dlike to take this opportunity to express my appreciation for your timely helpand support.

對于您給我們的及時幫助和支持，我謹借此機會表達感激。

3.I would like to convey in this letter my heartfelt thanks to you for...

在信中我要為……向您表達我誠摯的謝意。

4.I cannot find proper words to express my thanks./I can never thank you enough.

感激之情，無以言表。

5.Many thanks for all the things you have done in helping us to...

非常感謝您為幫助我們……所做的一切。

6. I will be more than pleased if I have the opportunity to repay your kindness by...

如果我有機會通過……報答您的好意，我會非常高興。

7.Yourhelp is very much appreciated by each one of us.

我們每個人都非常感激您的幫助。

Dear，

Thank you very much for/Thanks a lot for/Many thanks for /I’m writing to you about my gratitude for /I’m very grateful to you for.(開門見山地交代感謝原因)

But for/Without your help.(從反面襯托對方的作用)/It’s very kind of you to.(從正面說明對方的作用)

I hope to have the opportunity to express my gratitude to you/repay your kindness. I will feel very honored and pleased if.(提出回報對方的方式)Would you please let me know ?(希望對方給予回應(yīng))Thank you again for what you have done.(再次表達感謝)

Yours sincerely,

________