An Analysis of Marginal Propensity to Consume and Elasticity of Income of Consumption Demand in the Rural Areas of the Western Regions of China是什么意思_An Analysis of Marginal Propensity to Consume and Elasticity of Income of Consumption Demand in the Rural Areas of the Western Regions of China在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句