poor infrastructure的用法和样例：
例句
- But capital markets in these countries still lag well behind, due to the weakness of their financial infrastructure.
但由于金融基础设施薄弱，这些国家的资本市场仍比西方落后许多。 - 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.
西藏农业自然条件差，基础设施薄弱，粮食产出水平低，抵御自然灾害的能力差。
