Ontology, the core of metaphysics, is the theory and study on noumena.

本体论作为形而上学的核心，是关于本体的理论和学问。

youdao

Ontology, the core of metaphysics, is the theory and study on noumena.

本体论作为形而上学的核心，是关于本体的理论和学问。

youdao