而对边际学派而言，效用也是一种抽象，是资源稀缺性条件下的表现。

To Marginalism, utility is also an abstract concept under the assumption of resources scarcity.

youdao

而对边际学派而言，效用也是一种抽象，是资源稀缺性条件下的表现。

To Marginalism, utility is also an abstract concept under the assumption of resources scarcity.

youdao