您要查找的是不是：
- 道歉to apologize
- 函letter
- 保函letter of guarantee
- 道歉信apologetic letter
- 确认函confirmation
- 道歉的excusatory
- 询证函confirmation requests
- 银行保函Bank Guarantee
- 请接受我的道歉。Please accept my apology.
- 泛函分析functional analysis
- 他尖声道歉。He squeaked out an apology.
- 履约保函performance security
- 他因踩了她一脚向她道歉。He apologized for trampling on her toes.
- 保证函letter of guarantee
- 要求道歉demand satisfaction
- 泛函functional
- ＂你要么道歉，要么滚开！＂Either say you're sorry or else get out!
- 承诺函commitment letter
- 我应向他道歉。I owe him an apology.
- 我必须向你道歉，没有早点给你回信。I must apologize to you for not replying to your letter earlier.
