Creative ideas not only produce their own instruments of survival as time and circumstances demand, but permit the substitution of new forms for old under the pressure of changed circumstances.

创造性的思想不仅随着时间和环境的需要产生自己的生存工具，而且允许在已变化环境的压力下用新的形式代替旧的形式。

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Survival and peer pressure dictate that the man will seek out the dangerous, illegal jobs that are nearby, even while he may prefer a stable, mainstream job.

生存的压力和同伴的压力会决定这个人将寻求毒品这一触手可及但却危险、非法的工作，即便他可能更喜欢一个稳定的、主流的工作。

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Everybody is busy all the time because of the pressure of survival in the society, which deprives them of a casual way of life.

由于社会生存压力，每个人都非常忙碌，从而失去了休闲的生活方式。

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Wigan were under intense pressure with their Premiership survival at stake, and they were placed under even greater strain with 16 minutes left when McCulloch was sent off for a foul on Michael Tonge that brought him a second yellow card.

BBC: Sheff Utd 1-2 Wigan

For one thing, the phenomenon of resistance to herbicides, antibiotics, pesticides and chemotherapeutic drugs is well-known and a largely unavoidable concomitant of evolutionary pressure, the result of survival of the fittest.

FORBES: The New York Times' Mark Bittman Offers Poisoned Food For Thought

And yet those vulnerable or nervous Democrats who face the voters two years before Obama does know the history of midterm elections, and their political survival instincts could bring pressure to take a different path from the president.

CNN: King: Confirmation drama and a test for nervous Democrats