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来源:雅诚德英语网
If it was known that "Black" people were viewed differently from "African Americans", researchers, until now, hadn't identified what that gap in perception was derived from.
如果已知“黑人”与“非裔美国人”被看待的方式不同,研究人员到目前为止还没有确定那种认知差异是如何产生的。