Increasingly it is poorer and less educated black Americans who use "typically black" names, according to research by Steven Levitt, an economist at the University of Chicago.

芝加哥大学的经济学家Steven Levitt所做的研究表明，久而久之，使用典型黑人名字的美国人是那些较为贫穷且教育水平更低的黑人。

About half of Americans donot drink them regularly, but those who do are disproportionately poor, less educated, male, Hispanic or black.

大约一半的美国人不会经常性地饮用碳酸饮料，但是那些选择碳酸饮料的人多半是些穷困潦倒，未接受良好教育的西班牙或者黑人男性。

About half of Americans do not drink them regularly, but those who do are disproportionately poor, less educated, male, Hispanic or black.

大约一半的美国人不会经常性地饮用碳酸饮料，但是那些选择碳酸饮料的人多半是些穷困潦倒，未接受良好教育的西班牙或者黑人男性。

African Americans and Hispanic communities are disproportionately affected, as are the less well-educated, the young and people living in the south.

非裔美国人和西班牙裔美国人社区受到的影响更加不成比例，教育水平较低的人，年轻人和居住在南方的居民也是如此。