In this function there is dependence and increasing marginal utility for both X and y.
在该函数中，X和Y的边际效用都是相互依赖的和递增的。
This function differs from the former in two senses: there is no longer diminishing marginal utility and there is dependence.
该函数在两方面与前面的函数不同：不再是边际效用递减，边际效用是相互依赖的。
The above utility function also has the property of diminishing marginal utility for each commodity.
上面的效用函数也有每种商品边际效用递减的性质。
The above utility function also has the property of diminishing marginal utility for each commodity.
上面的效用函数也有每种商品边际效用递减的性质。
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