英语翻译How can we test economic theory when controlled experime
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英语翻译
How can we test economic theory when controlled experiments are not feasible?This is a problem,but economics is no different from astronomy in this respect.but they must deal with the world as it is.They can not change the course of the stars or plants to see what impact the change would have on the gravitational pull of earth.
尤其是最后一句,句子比较复杂.
How can we test economic theory when controlled experiments are not feasible?This is a problem,but economics is no different from astronomy in this respect.but they must deal with the world as it is.They can not change the course of the stars or plants to see what impact the change would have on the gravitational pull of earth.
尤其是最后一句,句子比较复杂.
当核对实验并不切实可行时,我们如何检验我们的经济理论是对是错?这可是一个问题.但这个经济上的问题其实与天文学没有什么区别.但他们必须要象天文学那样来处理这个世界.他们不能改变恒星及星球(plants,原文估计有错)的运行轨迹去看一下会对地球的重力引力的改变会造成什么样的影响.
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