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。
However, there is a huge gap between the perception that tea consumption is healthy and the actual amount of the healthful nutrients - polyphenols - found in bottled tea beverages.
李世明 （Shiming Li）教授说，他就胡池塘（Chi-tang ho)教授和他同事们的研究做了汇报，“喝茶是健康的这种看法与瓶装茶饮料中健康元素——茶多酚的真实含量之间存在巨大差距。
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