refundn.偿还；退款vt.偿还；退还refund a deposit退还保证金refunding of bond[法] 公债偿还refundable amount应退还的金额refund application退款申请书refundable deposit可退还的定金refund of expenses支出费用的退款refund the balance补偿差额refund one's money重新汇编(算)refund of brokerage退还经纪佣金refunds and rebates退款和回扣