For animals it is their ability to run and hide or fight.

对于动物，逃跑、隐藏或者决斗是他们的本能。

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Human differ from animals because of their ability to speak and use tools.

人类和其他动物不同，在于他会说话和会使用工具。

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Human differ from animals because of their ability to speak and use tools.

人类和其他动物不同，在于他会说话和会使用工具。

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