一切生物都有高速率增加的倾向，因此不可避免地就出现了生存斗争。

A <em>struggle</em> <em>for</em> <em>existence</em> inevitably follows from the high rate at which all organic beings tend to increase.

但这也是一场生存斗争。

But it is also an existential struggle.

新保守主义者认为：长期的生存斗争之后，最终将击败活僵尸的威胁。

Neoconservatives see the defeat of the zombie threat after a long, existential struggle.

之后，他告诉我自从欧洲人来了，他们的社群需要抵抗新的和不同的威胁，为生存斗争。

Later, he told me that since the arrival of the Europeans their community had had to struggle for survival against renewed and different threats.

通常的行为都已不再适用，这已经变成了没有限制的生存斗争。

Normal behavior is basically thrown out the window and it becomes a no holds bar fight for survival.

奉俊昊将影片中阶级战斗的潜台词变得实体化，在一场血腥的生存斗争后，没有一个人站在道德的至高点之上。

Bong then makes the film' s class-war subtext concrete with a bloody struggle for survival that leaves no one holding the moral high ground.

通过制作这些远古生物真实尺寸的副本，研究者能够对它们如何及为什么进行生存斗争建立一个更好的视觉图像。

By making life-size replicas of these ancient creatures, researchers can develop a better visual picture of how and why they fought for survival.