Credit cards are small,rectangular plastic pay for:支付 cards.Banks give these cards to their Are you paying in cash or by check? customers.When the customer buys 你打算用现金还是支票支付？ something at a store,he shows his card at He paid ten dollars for the book. the store.This authorizes the store to 他花了十美元买了这本书。 charge the bank for the customer's 注意pay构成的其他短语： purchase.The bank collects all the charges pay back:偿还，还钱给某人 for each customer Then once a month the I'll pay you back next week. 下个月我把钱还给你。 bank requires the customer to pay all the charges for that month.The bank does not pay off::还清（债务） It took them six years to pay off their debt. force the customer to pay the full amount. 他们花了六年的时间才还清债务。 It allows the customer to pay for the pay up:全部付清 charges in several payments over a period He was three months overdue in paying the rent,and of time.However the bank requires the the landlord told him to pay up. customer to pay inte rest on the unpaid part 他已经三个月未付房租，房东叫他全部付清 of the charges. However,the bank requires the customer to pay In this way the bank allows customers to interest on the unpaid part of the charges. buy things they cannot afford at one time. 然而，银行要求顾客为帐单的未付部分支付利息。 People can use the card to buy what they interest::利息 want and pay for it over a period of time. annual interest rate年利率 They also do not need to carry a lot of daily interest rate日利率 money. fixed interest固定利息 variable interest不固定利息 44 Credit cards are small, rectangular plastic cards. Banks give these cards to their customers. When the customer buys something at a store, he shows his card at the store. This authorizes the store to charge the bank for the customer's purchase. The bank collects all the charges for each customer. Then once a month the bank requires the customer to pay all the charges for that month. The bank does not force the customer to pay the full amount. It allows the customer to pay for the charges in several payments over a period of time. However, the bank requires the customer to pay interest on the unpaid part of the charges. In this way the bank allows customers to buy things they cannot afford at one time. People can use the card to buy what they want and pay for it over a period of time. They also do not need to carry a lot of money. pay for：支付 Are you paying in cashor by check? 你打算用现金还是支票支付？ He paid ten dollars for the book. 他花了十美元买了这本书。 注意pay构成的其他短语： pay back:偿还，还钱给某人 I’ll pay you back next week. 下个月我把钱还给你。 pay off: 还清（债务） It took them six years to pay off their debt. 他们花了六年的时间才还清债务。 pay up:全部付清 He wasthree months overdue in paying the rent, and the landlord told him to pay up. 他已经三个月未付房租，房东叫他全部付清 However, the bank requires the customer to pay interest on the unpaid part of the charges. 然而，银行要求顾客为帐单的未付部分支付利息。 interest:利息 annual interest rate 年利率 daily interest rate 日利率 fixed interest 固定利息 variable interest不固定利息