### Chinese: 本体论就是“研究到底哪些名词代表真实的存在实体，哪些名词只是代表一种概念”。
### English: Ontology is "the study of which nouns represent real existential entities and which nouns represent only a concept."
### Errors: There is no error in the English translation.

### Improved English: Ontology is the “study of which nouns represent real entities and which nouns only represent a concept”.
