It's nature's survival of the fittest.

这是自然界的适者生存法则。

But it's only… … it's like survival of the fittest.

这就像是适者生存。

After all, it's not just survival of the fittest individual, but the fittest family.

毕竟，不仅是适者生存，还要适应家庭生存。

He described the process of how new species started as 'natural selection', or 'the survival of the fittest'.

他将新物种的开始称作是“自然选择”，或是“适者生存”。

After all, in Rockefeller's words " The growth of a large business is merely a survival of the fittest" .

毕竟，用洛克菲勒的话说就是，" 大型企业的成长仅仅是适者生存。"

John Hawks of the University of Wisconsin-Madison said that human evolution was not about " survival of the fittest and extinction."

威斯康星大学麦迪逊分校的约翰·霍克斯说，人类进化不是“适者生存和灭绝”。

This doesn't mean there's any sort of cosmic 'survival of the fittest' going on - that would be natural selection, not evolution.

这并不是说宇宙间存在某种“适者生存”的现象，这是自然选择，而不是进化。

One of those, like, giant multi-tool Swiss Army knives, because you will always have a use for it, and survival of the fittest.

带把多功能瑞士军刀，你总会用到的，适者生存。

Survival of the fittest doesn't mean survival of the strongest but of those that best manage to 'fit;' to 'adapt' to their circumstances.

适者生存并不意味着最强者的生存，而是那些最能“适应”的人的生存；适应他们的环境。

Interestingly, Darwin didn't use the phrase survival of the fittest in any of his work (though he did express his admiration for it).

有趣的是，在他的所有著作里，达尔文并没有使用“最适应者生存”这个词（虽然他确实对这个词由衷地赞赏）。