It is the rate of change in total utility per unit change in quantity and is not the utility of a marginal unit.

它是（商品）量的每单位变动带来的总效用变动率，而不是边际单位的效用。

youdao

It is the rate of change in total utility per unit change in quantity and is not the utility of a marginal unit.

它是（商品）量的每单位变动带来的总效用变动率，而不是边际单位的效用。

youdao