This is what he means by equality between the rate of interest and the marginal efficiency of capital.
他所说的利率等于边际资本效率，意思就是这样。
The production elasticity coefficient for plant industry fee is higher, but the marginal efficiency is decreasing year by year.
种植业费用生产弹性系数较高，但边际效益逐年递减；
The production elasticity coefficient for plant industry fee is higher, but the marginal efficiency is decreasing year by year.
种植业费用生产弹性系数较高，但边际效益逐年递减；
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