One hundred and thirteen million Americans have at least one bank-issued credit card. They give their owners automatic (31) in s

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问题     One hundred and thirteen million Americans have at least one bank-issued credit card. They give their owners automatic (31) in stores, restaurants, and hotels, (32) home, across the country, and even abroad, and they make many banking services (33) as well. More and more of these credit cards can be read automatically, making (34) possible to withdraw or deposit money in scattered locations, whether or not the local branch (35) is open. For many of us the "cashless society" is not (36) the horizon—it’s already here.
    While computers offer these conveniences to consumers, they have many advantages for (37) too. Electronic cash registers can do much more than (38) ring up sales. They can keep a wide range of records, including who sold what, when, and (39) whom. This information allows businessmen to keep track of their list of goods (40) showing which (41) are being sold and how fast they are moving. Decisions to reorder or (42) goods to suppliers can then be made. Computers are relied (43) by manufacturers for similar reasons. Computer-analyzed marketing reports can help to (44) which products to emphasize now, (45) to develop for the future, and which to drop. Computers keep track of goods (46) stock, of raw materials on (47), and even of the production process (48) Numerous (49) commercial enterprises, from theaters to magazine publishers, from gas and electric utilities to milk processors, bring better and more efficient services to consumers through the use of (50).


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