... 望着我的你/You, who is watching me 在同样的时光里/In the same eyesight 问着同样的问题/Asking the same question ...
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According to a study by Australian National University, Australian children and Chinese children have the same level of eyesight before they start school, but once they enter primary school, Chinese children only spend about an hour a day outside, while Australian children spend three to four hours each day in the sunshine.
澳大利亚国立大学的一项研究显示，澳大利亚的孩子和中国的孩子在入学前的视力水平相同。但是一旦他们进入小学，中国的孩子每天只会在户外度过一个小时，而澳大利亚的孩子每天在阳光下待三到四个小时。
The same genes can often control more than one physical trait at a time. For instance, what would happen if the "good eyesight" genes in our example also resulted in purple toes?
较好的视力有利于捕猎，所以它们更有可能生存下来，然后好的视力又通过基因传递给下一代。
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