Endogeneity
內生性
??? 情景例句
I'll get it. Hello.
我去開門。哈啰。
I'm glad to hear that.
聽到這消息我很高興。
I am especially proud of it, not only because it has survived several severe winters, but because it occasionally produces luscious peaches.
我為這棵樹感到特別自豪，不僅因為它度過了幾個寒冬終于活了下來，而且還因為它有時結出些甘甜的桃子來。