经过了漫长的进化年代，如此诸多的因素相互制约相互影响，产生了无数种可能的表型，它们生存，它们繁衍。

Over the aeons of evolutionary time, the interaction of these multiple constraints has produced many viable phenotypes, all compatible with survival and reproduction.

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不幸的是，在1920年代、30年代、40年代、50年代的无数内容逐渐进入公有领域之前，没有什么好办法能让人们相信95年版权法是多么没有道理。

Unfortunately, there's no good way to show people how lame 95 year copyright terms are until the great content from the 1920s, 30s, 40s, and 50s starts to come into the public domain.

youdao

我们花了很长时间才领会到60年代末期打击了无数美国家庭的冰风暴的影响力。

It's taken a long time to grasp the consequences of the ice storm that hit the American family in the late 1960s.

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