Prices determine how resources are to be used价格决定资源的利用情况。) They are also the means by which products and services that are in limited supply are rationed among buyers.(它们也是有限的产品和服务在购买者之间按比例分配的依据) The price system of the United States is a complex network composed of the prices of all the products bought and sold in the economy as well as those of a myriad of(无数的) services, including labor, professional, transportation, and public-utility services. 美国价格体制是由全部买卖的产品和服务的价格构成的复杂体系。 The interrelationships of all these prices make up the “system” of prices. 它们价格的相互关系构成了价格体系。 The price of any particular product or service is linked to a broad, complicated system of prices in which everything seems to depend more or less upon everything else. 任何特定产品或者服务的价格都是与一种所有事物都相互关联的广泛复杂的价格体系相关的。