例如：We are sorry that we failed to send to you the bug report earlier and hope that it did not cause you too much inconvenience.
- It appears that I have overlooked a few critical routines in the date mining module .I an sorry for the inconvenience caused.
- We would like to apologize for the mix-up. We are sorry we could not take care of this problem in a more timely way.
- I am sorry that I did not report to you sooner.
- Please accept our sincere apologies for the problem. It was due to our shipping error.
- I am sorry that I sent you the wrong information.
- Please accept my apologies for having used phrases that may have caused any misunderstanding.
- Please forgive our mistakes.