refund
/ri:ˈfʌnd; rɪ`fʌnd/ v[Tn, Dn.n, Dn.pr esp passive 尤用於被动语态]
~ sth (to sb) pay back (money received); reimburse (expenses incurred) 退还（所收的钱）; 偿付（花去的费用）
refund a deposit 退还保证金
Postage costs will be refunded (to you). 邮费将退还（给你）.
I'll refund you the full cost of your fare. 我来偿付你的全部旅费.
refund / ˈri:fʌnd; `riˌfʌnd/ n [C, U]
repayment; reimbursement 退款; 偿还金额
a tax, pension, etc refund 税金、 年金等的退款
claim, obtain, pay, etc a refund 要求、 获得、 支付...退款
He demanded a refund on the unused tickets. 他要求对未使用之票给予退款.