cashback
/ˈkæʃbæk/noun
1- a form of incentive offered to buyers of certain products whereby they receive a cash refund after making their purchase购物返钱（一种返回给某些商品购买者部分现金的促销手段）。
1.1
- a facility offered by certain retailers whereby the customer may withdraw cash when making a debit card purchase, the amount of which is added to their bill消费提现服务（某些零售商提供的服务, 顾客持借记卡购物时可提取现金, 其金额会计入其账单）。