The World Bank puts the cost of China's water problems —mostly damage to health—at 2.3% of a year's GDP.

世界银行认为中国的水资源问题的代价，达到了每年gdp的2.3%。这个数字绝大部分是统计的对人健康上的影响。

The first bad habits that come to mind are drinking alcohol and smoking cigarettes, as these are damaging to health.

我首先想到的坏习惯是喝酒和吸烟，因为这些都对健康有害。

In 2009 the World Bank put the overall cost of China's water crisis at 2.3% of GDP, mostly reflecting damage to health.

2009年，世界银行认为中国在水危机上的总支出占GDP的2.3%，这在很大程度上反映出水资源状况对健康之危害。