为阻碍该地区进步的三大因素。
这三大因素加在一起占了50%左右的风险。
Added together, the factors account for about 50% of the risk.
酒精消费是发达国家第三大危险的致病因素。
Alcohol consumption is the third largest risk factor for disease in developed countries.
酒精消费是发达国家第三大危险的致病因素。
Alcohol consumption is the third largest risk factor for disease in developed countries.
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