Professor John Speakman, who co-ordinated the study, said that in evolutionary terms fitness was made up of two things: survival and the ability to reproduce.
约翰·斯皮克曼教授协调此项研究，称从进化角度看，健康由两要素构成：生存和再生产的能力。
Professor John Speakman, who co-ordinated the study, said that in evolutionary terms fitness was made up of two things: survival and the ability to reproduce.
约翰·斯皮克曼教授协调此项研究，称从进化角度看，健康由两要素构成：生存和再生产的能力。
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