Evolutionarily speaking, people in this age group are at a stage in which they can prepare to find a mate and start their own family while separating from parents and striking out on their own.
从进化的角度来说，这个年龄段的人正处于这样一个阶段：他们可以在与父母分开、自谋生计的同时，为寻找伴侣和组建自己的家庭做准备。
Researchers also wonder whether this interaction between body and brain may, evolutionarily speaking, be hard-wired.
研究人员也对身体与大脑之间的这各硬线的相互联系表示疑惑。
I mean, evolutionarily speaking, living and working in a group is a key component of how well humans have managed to survive.
我的意思是，从进化论的角度讲，在族群中工作和生活是人类生存优劣的关键因素。
Evolutionarily speaking, a man's primary goal is to produce as many offspring as possible, and sleeping doesn't exactly help in his quest.
进化意义上说，男人的主要目标就是产生尽可能多的后代，而睡觉对他的这一追求一无所助。
So, it's safe to say we still don't understand exactly why, evolutionarily speaking, people regularly do things that go against their own interests.
所以说得相对稳妥一点，我们仍然不能确切地理解为什么从进化的角度出发，人们会做一些与自己利益相抵触的事情。
Since those who cannot breed are, evolutionarily speaking, dead already, natural selection does not usually design bodies that outlive their own fertility.
既然那些已经不能生育的人在进化论的意义上说，已经死亡了。自然选择通常不会设计出结束生育后仍然存活的生物。
Since those who cannot breed are, evolutionarily speaking, dead already, natural selection does not usually design bodies that outlive their own fertility.
既然那些已经不能生育的人在进化论的意义上说，已经死亡了。自然选择通常不会设计出结束生育后仍然存活的生物。
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