值得注意的是,调查人员对这两组儿童进行了仔细的比对,以便他们在年龄、民族、种族和社会阶层方面具有可比性。
It should be noted that the two groups of children had been carefully matched by the investigators so that they were comparable in age, ethnicity, race, and social class.
这样做向美国最年轻的公民传递一个重要的信息:无论你属于什么种族民族,你都很重要。
Doing so will send an important message to the nation's youngest citizens: Whatever your race or ethnicity, you matter.
过去的10年里,种族主义及对黑人和少数民族的敌意变得更加严重了。
The last decade has witnessed a serious rise in the levels of racism and hostility to black and ethnic groups.
Here's another graph of data on the metabolic syndrome showing how it differs by race and ethnicity.
这是另一幅关于代谢综合征的数据图,它表明代谢综合征在种族与民族间的差异
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