“适者生存”只是对自然选择学说的日常描述，更专业的描述则关注存活和生殖的水平差异。

“Survival of the fittest” is a conversational way to describenatural selection, but a more technical description speaks ofdifferential rates of survival and reproduction.

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因此，对人才更恰当的描述是除了全面掌握一种专业知识外还要掌握至少两种以上的专业技能。

Therefore, more appropriate description of a talent is one characterized by his or her mastery of at least two kinds of professional skills, besides having a comprehensive grasp of expertise.

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