沙尘暴 Sand/dust storms

　　生态失衡 Disruption of ecological balance

　　温室效应 Greenhouse effect

　　全球变暖 Global warming

　　淡水资源短缺 Shortage of fresh water

　　环保意识 Environmental awareness

　　生态系统 Ecosystem

　　市场类单词

　　国有企业 state-owned enterprise

　　私人企业 private enterprise

　　垄断市场 monopolize the market

　　偷税漏税 tax evasion

　　跨国集团 multinational corporation

　　贸易制裁 trade sanction

　　贸易壁垒 trade barriers

　　全球经济一体化 integration with the global economy

　　西部大开发 Go-West Campaign

　　中国加入WTO China's entry into WTO

　　乱摊派乱收费 imposition of arbitrary quotas and service charge