Consumers make a purchase first; they are billed for payment later on and have to pay the amount owed within a certain time to make good credit.

消费者可以先行购物，他们之后将会收到账单，随即需要在一定时间内付清所欠的款项来保证自己的银行信用。

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Each time a consumer uses a credit card to make a purchase, the bank and card processor charge a fee that is approximately 2% of the purchase price.

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When a credit card users make a purchase using his or her card, the merchant is charged a transaction fee by its bank that typically includes a fixed charge plus a percentage of the amount charged.

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Google Wallet allows you to use your existing credit cards when you make a purchase just by tapping your phone.

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