credit card full discount can be enjoyed by a single order, but not by multiple orders. Therefore, credit cards over 3 minus 15 cannot be used cumulatively.

a credit card is a kind of credit certificate issued by a bank or a special issuer to consumers, which can meet their daily consumption needs. Credit card consumption is a non-cash transaction payment method, and there is no need to pay cash when spending, and repayment will be made on the billing date.