没有自然的深谋远虑，没有什么机制会警告当前的自私收益将导致物种灭绝——事实上，99%曾经存在的物种现在都已经灭绝了。

There is no natural foresight, no mechanism for warning that present selfish gains are leading to species extinction - and indeed, 99 per cent of all species that have ever lived are extinct.

youdao

这就是为什么会出现基础设施不足、资金不足、以及许多关键领域不足的问题，它们只会恶化已经存在的糟糕的局面。

That's why you have a deficit of infrastructure, a deficit of finance, and a deficit in so many key areas, which only exacerbates an already bad situation.

youdao

我们还不知道我们移植的细胞为什么不以已经存在细胞的反应方式对周围环境作出反应。

We don't yet know why the cells we transplanted are not responding to the environment around them in the way that the cells that are already there respond.

youdao

What can I conclude, now I've concluded that the strategies 68 through 100 essentially don't exist or have been deleted.

目前为止我们能得到什么结论,68到100的选项不存在了,或者说已经被剔除了

耶鲁公开课 - 博弈论课程节选

Well,if I just am my personality,then I don't exist in Phase D, because there's nothing there to be me,nothing with my personality.

如果我只是人格的代表，那在D阶段我就是不存在的，因为没有什么可以证明我的存在，我的人格已经消失。

耶鲁公开课 - 死亡课程节选