在美国，少数民族和移民通常从事低报酬、无需专门技能的工作。
In the U.S., minorities and immigrants have generally gone into low-paid, unskilled jobs.
一个复杂的因素是，一直缺乏专门针对亚裔美国人的一卷参考著作，如传记词典或台式百科全书。
A complicating factor has been the continuing lack of specialized one-volume reference works on Asian Americans, such as biographical dictionaries or desktop encyclopedias.
随着美国社会变得更加专门化和差异化，社会中开始出现更大的贫富差距。
As United States society became more specialized and differentiated, greater extremes of wealth began to appear.
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