今天我们要学的词是payoff。 Payoff, 意思是回报、报偿。"The lottery winner got a big payoff from a small investment," 乐透彩中奖者小小的投资得到了巨额回报。球队新老板花了好几千万美元，重新建设这次队伍，"This is expected to be the payoff season," 估计这个赛季就能看到成果。

公共场所禁烟是否真的有利健康？最新研究显示，"Cities that have implemented smoking bans get a big payoff," 实行禁烟的城市得到了显著回报。这些地方禁烟第一年的心脏病发病率就比其它地方少了17%。好的，今天我们学习的词是payoff...