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从考试可知作文可以说是考试的重难点，也是让考生最头疼的内容，作文除了需要我们有一定的词汇积累，也需要我们不间断的练习，练习多了才能熟能生巧，才能下笔成章，下面来一起练习一下这篇六级作文吧，希望考生能够更好地为12月份的四六级考试提前做好准备。 定义价格 The Definition of Price prices determine how resources are to be used. they are also the means by which products and services that are in limited supply are rationed among buyers. 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 services, including labor, professional, transportation, and public-utility services. the interrelationships of all these prices make up the system of prices. 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. if one were to ask a group of randomly selected individuals to define price, many would reply that price is an amount of money paid by the buyer to the seller of a product or service or, in other words that price is the money values of a product or service as agreed upon in a market transaction. this definition is, of course, valid as far as it goes. | 
