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人类的需求无限,但资源有限,稀缺的资源迫使个人和社会进行选择。经济的中心职能是要把资源转换成为同那些选择相一致的有用的形式。这一转换的过程称为生产。经济学家试图回答三个基本经济问题,即生产什么?如何生产?为谁生产? 资源包括自然资源和前辈生产的物品(如建筑物和设备)。已经生产出来并在后来被用来生产其他有价值的产品和劳务的东西
Human needs are unlimited, but resources are scarce, and scarce resources force individuals and societies to make choices. The central function of the economy is to transform resources into useful forms consistent with those choices. The process of this conversion is called production. Economists try to answer three basic economic questions: what is produced, how is it produced, and for whom? Resources include natural resources and articles (such as buildings and equipment) produced by predecessors. What has been produced and later used to produce other valuable products and services