名词
中文翻译：数量理论
同义词：
['amount theory', 'quantity theory of economics例句：1. The quantity theory suggests that the more people there are', 'the greater the output.（数量理论表明，人们越多，产出就越大。）']
例句：
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1. The quantity theory suggests that the more people there are, the greater the output.
数量理论表明，人们越多，产出就越大。
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2.This quantity theory has been proven to be accurate in many cases.
这个数量理论在许多情况下已被证明是准确的。
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3.In this model, the quantity theory is used to explain the relationship between demand and supply.
在这个模型中，数量理论被用来解释需求和供给之间的关系。