survival of the fittest

常见例句

If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?
如果進化論是講適者生存，在弱肉強食的自然界，動物怎麽能進化出道德情感？
Years ago, people tended to see evolution as a competition for survival of the fittest. But now there is more emphasis on the gentler virtues.
數年前，人們傾曏於把進化看作是一種競爭，適者生存的競爭，但現在更加地強調溫和的美德。
Herbert Spencer, in the decade after Darwin, summarised natural selection as "survival of the fittest" – a slogan Darwin only later adopted.
十年之後，赫伯特·斯賓塞將達爾文的自然選擇概括爲“適者生存”——達爾文衹是後來採用了這個口號。

The British philosopher Herbert Spencer described this struggle as "survival of the fittest."
If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?
如果進化論是講適者生存，在弱肉強食的自然界，動物怎麽能進化出道德情感？
耶魯公開課 - 心理學導論課程節選

Survival of the fittest means survival of those best able to adapt to changing circumstances.
FORBES: To Be One of the 'Best Places to Work,' Build a BRAVE Culture
Darwinian evolution requires genetic diversity plus competition that yields the survival of the fittest.
NPR: Startling New Evidence Cancer Is Contagious
From civilization built on mutual survival to survival of the fittest in its rawest, ugliest form.
FORBES: Move up http://i.forbesimg.com t Move down