It has to do with substitutes and what economists call elasticity of demand.
这与替代品和经济学家所谓的需求弹性有关。
单词 | elasticity of demand |
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原声例句
经济 Crash Course It has to do with substitutes and what economists call elasticity of demand. 这与替代品和经济学家所谓的需求弹性有关。 |
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