21.lack basic infrastructures 缺乏基础设施
22.break the ecological balance 破环生态平衡
23.lead to extravagant waste of public funds 导致公共资金的极度浪费
24.make… in disorder 使混乱
25.be harmful to our physical and mental and health 损害身心健康
26.lead to degradation of social atmosphere 世风日下
27.further widen the gaps between the rich and the poor 进一步加大贫富之间的差距
28.be the drying up of our limited natural resources and the deterioration of the environment 有限的自然资源的枯竭和环境的恶化
29.contaminate environment 污染环境
30. be a root of all evils 万恶之源