[] () the value of goods or services that you can buy with a bank or credit card without the shop/store having to get permission from the bank, etc. to accept the payment 最低授权额◆If the sale exceeds the merchant's floor limit, she must phone the credit-card company for authorization. 如果售价超出商家的最低授权额，她就必须打电话给信用卡公司要求授权。