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Many economists question humankind 's infatuation with the stuff .

许多经济学家都对人类对于黄金的痴迷提出了质疑。

He did not redeem the sins of humankind .

他也没有赎清人类的罪。

But humankind is luckier than most species .

但是人类比大多数物种都幸运。

All agree that climate change is an existential threat to humankind .

众所周知，气候变化对人类的生存构成了威胁。

And the further humankind ventures into space , the more likely we are to find out .

人类向太空探索的越远，我们越可能会知道这些威胁是什么。