paybackKK [ˋpeˏbæk] /ˈpeɪˌbæk/發音名詞1報復、報仇口語He saw the lawsuit as payback for years of humiliation.他把這場訴訟視為對多年屈辱的報復。2回報、報酬The payback for all those late nights was a big promotion.熬了那麼多夜晚,換來的回報是升遷。3投資回收、本金回收商業The new machines should reach payback within three years.這些新機器應該三年內就能回收成本。