store credit
noun [ C ] US uk/ˈstɔː ˌkred.ɪt/ us/ˈstɔːr ˌkred.ɪt/ (UK credit note)
（商店在顾客退回货品之后给予的可以用来购买等值货品的）预付信用额
a piece of paper given by a shop when you return something you do not want, that allows you to buy other goods of the same value