You are the only one who can save humanity!

你是唯一一个谁可以拯救人类！

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We need to muster the same pragmatism to save humanity.

我们需要召集同样的实用主义去拯救全人类。

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They were both convinced that science was the way to save humanity.

他们两人都相信，科学是拯救人类的途径。

youdao

So all this new wealth is justifiable--because it's going to save humanity?

FORBES: The Moral Limits of Wealth

Aliens are still transforming humans into hideous necromorphs (zombie-like creatures made from different body parts) and it is up to Isaac to save humanity from a fate worse than death.

CNN: Horror journeys into the mind in 'Dead Space 3'

It's a simple story: war has wrought a nuclear winter that threatens to wipe out all life on Earth, and the spaceship is sent in search of a "cosmo cleaner" to save humanity.

CNN: The War Mangas