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1. At the same time these computers record which hours are busiest and which employers are the most efficient, allowing personnel and staffing assignments to be made accordingly. And they also identify preferred customers for promotional campaigns. 同时这些计算机记录下哪些时间是最忙的，哪些员工工作效率最高，这样就能相应地做出人员人事安排。而且它们也能为促销活动找到那些拥有优先权的顾客。 2. Numerous other 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 computers. 不计其数的其他商业企业，从剧院到杂志出版商，从公用燃气电力设施到牛奶处理厂，都通过计算机的使用给消费者带来更好、更有效率的服务。 | 
