名词
中文翻译：需求量
同义词：
['quantity', 'demand for quantity']
例句：
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1. The company demands a high quality of products.
这家公司要求产品质量高。
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2. The demand for oil has increased significantly in recent years.
近年来对石油的需求大幅增加。
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3. The demand for this product is expected to grow in the coming year.
预计这种产品的需求量将在来年增长。