分析了高危险人群的寿命水平、死亡特征、肺癌死因对寿命的影响。
We also analysed the effect of the life expectancy level, characteristics of death and lung cancer on life expectancy.
黑人男性的平均寿命为59.4到77.2岁，65%的郡县的黑人男性平均寿命落后于世界水平50年。
The life expectancy for black men ranged from 59.4 to 77.2 years, with 65 percent of counties lagging the international standard by more than 50 years.
下图由CNN提供，它很清楚地表明一国医疗支出水平并不是人均寿命的可靠预测指标。
Here's the graph provided by CNN that shows pretty convincing that a nation's health expenditures are a pretty poor indicator of life expectancy around the world.
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