Earth is a target in a cosmic shooting gallery, subject to random violent events that were unsuspected a few decades ago.

地球是“宇宙射击场”中的一个靶子，容易随机遭遇各种猛烈的撞击事件，这在数十年前从未受到过怀疑。

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"In fact, there is almost no hard evidence for midlife crisis other than a few small pilot studies conducted decades ago," Barbara Hagerty writes in her new book, Life Reimagined.

芭芭拉·哈格蒂在她的新书《重新设想生活》中写道：“事实上，除了几十年前进行的一些小规模试点研究外，几乎没有确凿证据证明中年危机的存在。”

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A few decades ago, while in medical school, he wanted to understand gene networks and came up with a model known as K-N nets.

很多年以前，当他还在医学院时希望明白基因网络的工作原理并且想出了一个称为K - N网的模型。

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"I think we're in the same position the gay movement was in a few decades ago, " said Dawkins.

CNN: The rise of the 'New Atheists'

But there's a word that's not well known at all and it was coined - in a few decades ago - and it's called Islamicate.

CENTERFORSECURITYPOLICY: Raymond Ibrahim: Shariah, Dhimmitude & the Copts

It is hard to overstate how revolutionary that rope and Andon board were for the auto industry: Allowing a mere blue-collar worker to stop the line would have been heresy in Detroit a few decades ago, as managers were more concerned about keeping up volume than quality.

FORBES: Late Bloomer