名词
中文翻译：恩格尔曲线
同义词：
["Engel's curve", 'Engel curve', 'Engel curve curve']
例句：
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1. The relationship between income and consumption is closely related to the Engel curve.
收入与消费之间的关系与恩格尔曲线密切相关。
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2.The Engel curve shows that as income increases, the proportion of disposable income spent on necessities decreases.
恩格尔曲线表明，随着收入的增加，可支配收入用于必需品的比例下降。
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3.This study aims to explore the factors influencing the Engel curve.
本研究旨在探索影响恩格尔曲线的因素。