If you think of these children growing into adults who enjoy and appreciate classical music, then that repays our effort.如果你认为这些孩子长大成人后会欣赏和鉴赏古典音乐，那我们的努力就没有白费。Sandra was determined to become a doctor and her persistence paid off.桑德拉一心一意要当医生，她的坚持没有白费。It was a great evening, and definitely worth all the hard work.那个夜晚太美妙了，所有的辛苦的确没有白费。