农业是我国国民经济的基础，同时又是一个具有外部性的弱质产业。

Agriculture is the foundation of our country economy and the weak industry which has externalities.

youdao

农业是我国国民经济的基础，同时又是一个具有外部性的弱质产业。

Agriculture is the foundation of our country economy and the weak industry which has externalities.

youdao