We also know there are known unknowns.
我们还知道有些我们不知道。
We also know There are known unknowns.
我们也知道，有些是已知的不知。
In the forecasting business, "known unknowns" are called uncertainties.
在预测行业里面，“已知的未知数”被称作不确定性。
It's extremely hard to prepare for the known unknowns until you take them seriously.
为已知的未知事件做准备相当困难，除非你重视他们。
There are known unknowns. That is to say there are things that we now know we don't know.
世界上有已知的未知，也就是说我们知道我们还不知道的那些事情。
Today we have new uncertainties. I made a quick list of current known unknowns in my own mind.
如今我们有了新的不确定性，关于当下的已知未知数在我的脑海里列了一张快速名单。
We also know there are known unknowns; that is to say we know there are some things we do not know.
我们也知道还有一些已知的未知，也就是说我们知道自己还有一些不知道的事情。
There is a small set of fast moving important change that is hard to predict -- the known unknowns.
有一小部分重要而快速的改变是难以预料到的 --已知的未知数。
We also know there are known unknowns , that is to say we know there are somethings we do not know.
有些事情我们知道自己知道。 我们也知道，有些事情早已是已知的未知，这也就是说，我们现在知道了，有些事情我们其实并不知道。
Objective uncertainty is about what Donald Rumsfeld (in a different context) referred to as the "known unknowns".
客观的不确定性关乎唐纳德·拉姆斯菲尔德(在另一种语境中)提及的“已知的未知方面”。
And as the unknown unknowns have turned into known unknowns, the system has been experiencing postmodern bank runs.
伴随着未知的未知转变为已知的未知，金融体系正在经历后现代主义版本的银行挤兑风潮。
Investors face a world marked by "known and unknown unknowns", in the words of Donald Rumsfeld, a former American defence secretary.
用美国前防长拉姆斯·菲尔德的话来讲，投资者身处一个“已知的未知和未知的未知”的世界。
Objective uncertainty is about what Donald Rumsfeld (in a different context) referred to as the "known unknowns". Subjective uncertainty is about the "unknown unknowns".
客观的不确定性是在DonaldRumsfeld在不同领域提出的关于“已知的不确定因素”。
There are a lot of unknowns, some intimidating changes and a radical shift in what has been known as daily life.
因为会发生很多未知的事，还有一些惊人的变化，日常生活的某些事也会发生根本性的改变。
Figure out how to make the "unknowns" known before you say yes.
在做出承诺之前要对事情作全面透彻的了解。
Figure out how to make the "unknowns" known before you say yes.
在做出承诺之前要对事情作全面透彻的了解。
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