常用套话:
-> 表达歉意
I am very sorry for ...
We are very/extremely sorry to learn that...
I/We must apologies for...(the delay in replying to your letter).
I/We sincerely apologies for...(not replying to your letter).
I wish to offer my sincere apologies for...
Please accept our apologies for ...(the inconvenience this error has caused you).
-> 表明错误原因
This is due to...
(This/The move to a new office)... has resulted in ...
The mistake was made because...
->表示保证采取何种措施或弥补手段
I/We can assure you that...
Practice 练习:
Mr. Lomas has bought some English-Language training videos from you. However, he was not satisfied with some videos and wrote a letter of complaint to your company. Please write a letter of apology to him and find a solution.