poor infrastructure的用法和樣例：
例句
- But capital markets in these countries still lag well behind, due to the weakness of their financial infrastructure.
但由於金融基礎設施薄弱，這些國家的資本市場仍比西方落後許多。 - In Tibet,the natural conditions for agriculture are poor,infrastructure is weak,grain productivity is low and the capability to withstand natural disasters is low.
西藏農業自然條件差，基礎設施薄弱，糧食產出水平低，抵禦自然災害的能力差。
