短語詞組短語overpayment risk 多付風險overpayment refund 償還多付的金額Overpayment hypothesis 度支付假說overpayment recovery 追廻多付的金額overpayment of contribution 多繳供款overpayment U of contribution 多繳供款overpayment of tax 退還溢繳稅款overpayment E of contribution 多繳供款refund of overpayment of tax [稅收]退還溢繳稅款 返回 overpayment