《当代生物学》中的一项新研究发现，威廉斯综合症患儿无种族偏见。

And a new study published in the journal Current Biology finds that children with Williams syndrome don't make racial stereotypes.

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威廉斯综合症是一种上世纪60年代才被人类认识的疾病。

William's syndrome(WS in short)is a disorder that was only discovered in the 1960s.

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研究人员再一次在20名威廉斯综合症患儿身上进行了一次测试社交偏见的实验，并以另外20名正常儿童作为对照组。

Researchers re-did previous social-bias experiments on 20 children with Williams syndrome and 20 control kids.

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