病毒拥有基因，能够繁殖并且受制自然选择的进化压力。

Viruses have genes, can reproduce and are subject to the evolutionary pressures imposed by natural selection.

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人类学家一直认为在我们进入到相对稳定的农耕社会后，人类的进化压力减小了。

Until recently, anthropologists believed that evolutionary pressure on humans eased after the transition to a more stable agrarian lifestyle.

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人口增长还导致人们与家禽比邻而居，造成了病原体跨越种属屏障的进化压力和机会。

Population growth also puts people in close proximity to domestic animals, creating evolutionary pressures and opportunities for pathogens to jump the species barrier.

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So not only is there evolutionary pressure for me to lie to you, for me to persuade you for instance, that if we're going to have a conflict- if you are threatening me " "Don't threaten me, I am not the sort of man you could screw around with" But there's evolutionary pressure for you to look and say, "No. You are the sort of man you could screw around with.

因此，不仅存在着要求我对你说谎,的进化压力，比如，如果我们之间存有冲突-,当你威胁我时,我会说“别吓唬我，我可不是吃素“,而且还存在着要求你辨别谎言的进化压力,你会说，“不，你肯定不行。

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