the money that you receive back on money that you have invested (especially when this is equal to the amount that you invested to start with); the time that it takes to get your money back本金返还；还本；投资的回收期
a 10-year payback10 年的投资回收期
There’s a 25-year payback period, which will discourage most investors.有25年的投资回收期，这会使大多数投资者感到沮丧。
the advantage or reward that somebody receives for something they have done; the act of paying something back报偿；回报
His victory was seen as payback for all the hard work he'd put in during training.他的胜利被视为训练期间所有辛苦努力的回报。🔊🔊
(informal)It's payback time! (= a person will have to suffer for what they have done)现在该遭到报应了！🔊🔊