An acknowledgment expressing regret or asking pardon for a fault or offense.
道歉认错, 愧悔因错误和冒犯而承认后悔, 乞求原谅
Her theory was quoted without an acknowledgement.
她的理论被人引用而未向她致谢。
We are sending you some money in acknowledgement of your valuable help.
我们送些酬劳, 对您的大力协助聊表谢意。