但是，暗能量却是一个未知的未知。
主观上的不确定即“未知的未知”。
主观的不确定性则关于“未知的未知方面”。
您如何应对架构中的这些未知的未知数呢？
但是，还有未知的未知，那些我们不知道我们不知道的事情。
But there are also unknown unknowns. There are things we don't know we don't know.
绝对的幸福里，有绝对的自由，所以有绝对未知的未知。
Absolute happiness in, there is absolute freedom, so have absolutely unknown know.
但是也有未知的未知，那些事情我们不知道自己不知道。
That is to say we know there are some things we do not known.
每一项决策都应该制定一项应对“未知的未知”和主要行动方案失败等情形的应急方案。
Every decision should have a contingency plan for when those unknown unknowns arise and deem your primary course of action obsolete.
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。
And as the unknown unknowns have turned into known unknowns, the system has been experiencing postmodern bank runs.
我们要感谢悲伤，它教会我们同情，感谢痛苦教给我们勇敢，感谢那些仍然未知的未知。
We must give thanks to the sorrow, that shows us pity, to the pain that teaches us courage, and to the mystery which is a mystery still.
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。
Investors face a world marked by "known and unknown unknowns", in the words of Donald Rumsfeld, a former American defence secretary.
深海的处置措施施造成的影响显然是一个未知的未知，毕竟在此之前人们从没有处理过这么大规模的事故。
The impact of the deep water deployment is definitely an unknown unknown, as it has not been used on anything like this scale before.
根据墨菲定律，“未知的未知”就是你根本没有计划到的意外事件，比如(继续以交通为例)交通事故或发动机故障。
Unknown unknowns are when Murphy likes to throw another wrench in the mix that you simply can't plan for, such as (continuing with the traffic example) a vehicle accident or engine breakdown.
如果您曾编写过一些重要软件，您可能涉及过未知之未知问题—软件设计中最大的一个问题。
If you have written any nontrivial software, you can relate to the unknown unknowns problem - one of the biggest problems in software design.
相似之处在于两者都提供一种方法来处理未知元素和函数，区别在于对于后验来说，未知的内容在XSLT名称空间中。
The similarity is that both provide a way to cope with unknown elements and functions; the difference is that for future-proofing, the unknowns are in the XSLT namespace.
但是，即使我们设法去发现那个未知的世界，我们的记忆既会在那个未知的世界浮现，也会如同比喻般保留。
But even if we try to discover the unknown world, our memory either continues to float in the unknown world or remains as an analogy.
对于一个未知的数据点，这个未知数据点与每个已知数据点之间的距离需要被计算出来。
Taking the unknown data point, the distance between the unknown data point and every known data point needs to be computed.
这种算法非常适合于寻找接近于一个未知数据点的那些数据点并使用来自这些值的已知输出来预测未知输出。
This algorithm is ideal for finding data points that are close to an unknown data point and using the known output from those values to predict the output for the unknown.
这份追逐的结果是未知的，因为只有你能在未知之路中长途跋涉，也只有你能走这条路。
This pursuit will remain unknown, because you are the only one that can trek it. You're the only one that can walk this path.
这2万亿美元的贷款将去未知的地方以换取未知的抵押品。
The $2 trillion in lending is going to unknown places in exchange for unknown collateral.
这个模型可用于任何未知的数据实例，来预测这个未知数据实例是否通过只询问两个简单问题就能理解分类树。
This model can be used for any unknown data instance, and you are able to predict whether this unknown data instance will learn classification trees by asking them only two simple questions.
大多数受感染的电脑的使用者既不了解也不关心他们的电脑可能正以某种未知的方式损害到某个未知者。
Most owners of infected computers neither know nor care that their machines may be damaging an unknown person in an unknown way.
在这之中，整个电脑动画的视频就仿佛闪烁起了未知的恒星、未知的行星，并串联起了那些未知的星际气体飘往未知的区域。
Past that, the entire computer animated video seems to sparkle with unknown stars, unknown planets, and sequences where unknown gas is flowing toward unknown places.
成功的另一面是未知，不管你相信与否，未知都比现实世界中的斗争和未达到成功更可怕。
On the other side of success is the unknown, and believe it or not, the unknown is often scarier than the known world of struggle and unfulfillment this side of success.
在路上，不为旅行，不因某人，只为在未知的途中遇见未知的自己。
On the road, not for travel, not for someone, only to meet the unknown in the unknown.
然后是未知数向量，未知数向量我们经常用X表示，大写的X。
Then there is the vector of unknowns. Here we’ve got 2 unknowns.
“人类对于未知的情境总是存在忧虑”Taylor先生说，“对于尚未变老的人来说，变老是生活中一个巨大的未知。”
“Human beings have trouble coming to terms with the unknown, ” Mr. Taylor said. “Growing old is a great unknown in the lives of everyone who is not yet old.”
将所有这三个选项设置为0是可行的；可以将它视为一个未知状态(于是有四种可能的状态：文件、目录、特殊和未知)。
Setting all three options to 0 is acceptable; it can be treated as an unknown state (so there are four possible states: file, directory, special, and unknown).
将所有这三个选项设置为0是可行的；可以将它视为一个未知状态(于是有四种可能的状态：文件、目录、特殊和未知)。
Setting all three options to 0 is acceptable; it can be treated as an unknown state (so there are four possible states: file, directory, special, and unknown).
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