感谢信模板1：
Dear __________ ，
I should like this message to be taken as an expression of heartfelt gratitude to you and __________ . If it had not been for your assistance in giving me aid and __________, I fear that __________ . During the __________ , you have given me generous help and continuous guidance by __________ .
Thus, I really appreciate __________, and I hope that I may repay your kindness by __________ .
Finally, I feel most obliged to thank you once more.
Yours sincerely,
Li Ming
感谢信模板2：
Dear ________ ，
On behalf of ________ , I would like to extend our most sincere gratitude for ________ . We appreciate greatly your aid in not only ________ , but also ________ .
It is said that your ________ that we could enjoy such a wonderful trip / arrive at such splendid achievements, and we will never forget your painstaking labor and full cooperation / warm hospitality.
With this letter we would also like to formally invite you to ________ , so that ________ . WE look forwards to hosting you ________ .
With personal regards.
Yours sincerely,
Li Ming
