Credit cards are big business. Americans spend $16 billion a year on cards and there are already 590 million of them in circulation. Many banks sponsor their own credit card companies and issue cards free to their customers. Other credit card companies charge their members annual dues. The stores that accept credit cards must pay a small fee to the credit card company — a percentage of the purchase price of the merchandise or service.

In turn， the credit card company promptly pays the store for the merchandise or service. Credit card companies make a profit from the fees they charge the store and also from the fees collected from customers who pay for their charges in monthly installments. However， credit card companies sometimes have problems collecting overdue payments from unreliable customers. Also，the use of stolen， lost， or counterfeit credit card by criminals has become a big headache for the credit card company that is responsible for the goods and services illegally charged to its customers' account.

Many feel that it will only be a matter of time before credit cards completely replace cash and checks for both individuals and businesses. In such a credit card economy there would be only one“super-credit-card-bank-company” and each individual would be given his or her card.

信用卡是賺錢的大買賣。美國人每年在信用卡上要消費16億美元，已經有5.90億張信用卡在流通。許多銀行開辦自己的信用卡公司，并免費發(fā)給他們的客戶。其他的信用卡公司向他們的會員收取年費。接受信用卡的商店必須向信用卡公司支付少量費用——按商品成交額或勞務費用的一定百分率計算。

相反，信用卡公司則隨時向商店支付購貨及勞務的款項。信用卡公司向商店收取費用，以及向按月分期付款的客戶收取費用，從而獲得利潤。然而，信用卡公司在向不講信用的客戶收取逾期款項時也會遇到麻煩。還有，不法分子使用被盜、丟失、或假信用卡，對信用卡公司來說是件頭痛的事，因為在客戶的賬目中如記有不合法的商品和勞務支付，公司就得承擔全部責任。

許多人認為，信用卡完全代替現(xiàn)金，取代個人、企業(yè)支票只是時間問題。在這種信用卡經濟中，要是只有一家“超級信用卡銀行公司”，那人人就會得到信用卡。