/ˈkæʃbæk ||; ˈkæʃbæk/noun [U]:
1 an offer of money as a present that is made by some banks, companies selling cars, etc in order to persuade customers to do business with them 现金回赠（银行、公司等用以吸引顾客的手段）
2 a system in SUPERMARKETS which allows the customer to take money out of his/her bank account at the same time as paying for the goods with a CASH CARD 购物提款（超级市场允许顾客以自动提款卡结账，同时从银行账户提取现金）