The paper expounds the basic concept of demand elasticity at first and analyzes the relation between the high elasticity and the low one, the unit elasticity and gross earning.
首先阐明需求弹性的基本概念，并分析了弹性和低弹性、单位弹性与总收益的关系。
The paper expounds the basic concept of demand elasticity at first and analyzes the relation between the high elasticity and the low one, the unit elasticity and gross earning.
首先阐明需求弹性的基本概念，并分析了弹性和低弹性、单位弹性与总收益的关系。
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