今天我们要学的词是， pay off。 Pay off, 是取得成果的意思。"His perseverance finally paid off," 意思是他的坚持不懈终于有了成果。"The anti-drug campaign among the city's youth is paying off," 针对城里年轻人展开的反吸毒活动正在奏效。

最新统计数字显示，美国的癌症死亡率近年来以平均每年2.1%的速度下降。媒体报导说，"Years of nagging and pleading by health officials are finally beginning to pay off," 意思是健康部门的官员多年来不厌其烦的劝说终于开始看到了成效。好的，今天我们学习的词是pay off...