名词
中文翻译：需求弹性的弧线
同义词：
['demand elasticity', 'demand curve']
例句：
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1.The demand for this product has increased significantly in recent years.
近年来，该产品的需求显著增加。
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2. The demand curve shows the relationship between price and quantity.
需求曲线显示价格和数量之间的关系。
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3. The demand elasticity of this product is relatively high, indicating that it is more sensitive to pricechanges.
该产品的需求弹性较高，表明它对价格变化更为敏感。