Nonetheless, Ying-Hui Fu with the University of California San Francisco says little is known about this basic human need.
而人们对人类这一最基本的需要还知之甚少。
Ying-Hui Fu: When these people have this mutation, their sleep amount is less.
傅颖慧:当这些人有这种基因变化时,他们的睡眠量较少。
This is one reason why it is more appropriate to consider kung fu as a form of art.
这是为什么把功夫看作一种艺术形式会更加合适。
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