[uncountable]if you ask for cashback when you are paying for goods in a shop with a debit card(= a plastic card that takes money directly from your bank account), you get a sum of money in cash, which is added to your bill现金提取（指借记卡持有者可在商店刷卡付账时提取小额现金，此现金附加在购物账单上）
Would you like cashback?你要提取现金吗？
Customers are allowed up to £30 cashback on each purchase.客户每次购物最多可获得30英镑的现金返还。
[uncountable, countable]a sum of money that is offered to people who buy particular products or services（购买某些特定商品或支付某些特定服务费时的）现金返还，现金折扣
There's £200 cashback on this computer if you buy before 31 January.在 1 月 31 日前购买这台电脑可获得 200 英镑的现金返还。🔊🔊
Choose our First-time Buyer's Mortgage and get up to £1 500 cashback to buy those essential items for your new home!选择我们的首次购房者抵押贷款，最高可获得1500英镑现金返还，为您的新房购买这些必需品！