题目内容：

英语翻译
是Tom never regretted sending his son to study abroad
还是Tom never regretted having sent his son to study abroad

优质解答

两者没什么区别,都表示“后悔做了某事”.
顺便说一下：regret to do sth. 很遗憾地要做某事.如：I regret to tell you that you are not accepted.