材料、理论、鉴赏是文学研究的三个基本要素，古代文学也不例外。

The material, theory and appreciation are three essential factors of literature research.

youdao

材料、理论、鉴赏是文学研究的三个基本要素，古代文学也不例外。

The material, theory and appreciation are three essential factors of literature research.

youdao