There's always the risk that there are unknown unknowns.

  • -- Nate Silver 内特·希尔

总有未知未知的风险。

相关名言

It was an unknown thing, a lot of people had very bad trips and I like to be in control.

这是一个未知的事情,很多人都有非常糟糕的旅行,我喜欢控制。