cashback
noun [ U ] UK uk/ˈkæʃ.bæk/ us/ˈkæʃ.bæk/
(PAYMENT)
现金返还，返现（银行或商家实行的消费激励措施）
a system in which banks or businesses encourage people to buy something by giving them money after they have bought it
The major banks are offering cashback deals of up to £5,000 on their mortgages. 各大银行对按揭交易提供多达5000英镑的返现服务。
(MONEY)
（通常指顾客在超市用银行卡购物时顺便提取的）小额现金
an amount of money that a shop, usually a supermarket, allows you to take from your bank account when you pay for something with a bank card
£50 cashback 购物时提取的50英镑现金