For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.
例如，一个公司也许能够准确地估计它将销售的鞋子总数，但它可能不确定哪一种特定类型的鞋子将比其他类型的鞋子卖得更多。
Charles Koch told committee investigators that oil measurement is "a very uncertain art."
查理·斯科赫向委员会委派的调查人员“坦言”油量勘测是项“非常不好把握的技术”。
Cities are the world's experimental laboratories and thus a metaphor for an uncertain age.
城市，既是世界的实验场，也是未知年代的隐喻。
Green Construction and Zero Energy homes are now coming of age in a very uncertain and unstable economic climate.
在极其不明朗、极其不稳定的经济形势中，绿色建筑和零能耗住宅正在日趋成熟。
Secondly, the D-stable robust fault-tolerant control problem of discrete uncertain a time-delay system is studied.
其次，研究了离散不确定一步时滞系统的D稳定鲁棒容错控制问题。
The formula was devised with men in mind but could equally apply to women, including those uncertain about whether to accept a proposal.
尽管这一公式是为男士设计的，但对女士同样适用，比如那些正在犹豫是否接受求婚的女性。
"The outlook is still pretty uncertain, so buyers are staying on the sidelines, " said Wee Liat Lee, a property analyst at Samsung Securities.
三星证券公司房产分析员 Wee Liat Lee说：“未来形势仍不明朗，所以买房者还是处于观望状态。”
In a sports team each plays a clear role, and there are few occasions when members are confused or uncertain of their roles.
在运动队中，每个队员都有清晰的角色定位，队员们很少对自己的角色感到迷惑或不明确。
Even lacquer, which is a more uncertain market than either porcelain or jade, went as a swing.
甚至漆器，相对于陶瓷或者玉，其市场行情更加捉摸不定，像荡秋千一样。
Add a rapidly changing economy and an uncertain future to this 24/7 connectivity, and you've got a recipe for overwork, according to Phyllis Moen.
根据菲利斯·莫恩的说法，这种“一周7天、一天24小时”的网络连接，再加上快速变化的经济和变幻莫测的未来，你就很容易会过度劳累。
Though the future was uncertain, he made a commitment to writing and sold his jazz bar.
虽然未来是不确定的，他投身写作，卖掉了爵士乐酒巴。
However, difficulties and challenges do not mean a bleak or uncertain future. Enhanced strength does not mean unpredictability or a threat.
面临困难和挑战不等于前景暗淡和不确定，实力壮大不意味着对外威胁和不可靠。
Galileo himself is viewing the situation from a fallen and an unperfect, uncertain perspective.
伽利略自身在从一个堕落的，不完美的，不确定的角度，审时度势。
And so, Descartes used the method of doubt to say there's something really different about having a body that's always uncertain, from having a mind.
因此，笛卡尔运用怀疑方法得出，与拥有不可确定的身体不同，拥有心理是肯定的。
We know that climate models predict a much more uncertain climate for world agriculture, with potentially devastating down-side possibilities.
我们知道，气候模型在为世界农业预测气候方面具有不确定性，它存在着潜在地灾难性的可能性。
All this adds up to a very uncertain environment, and not just for finance chiefs.
所有这一系列的行为都为本已不甚稳定金融环境带来了新的不确定因素，不仅对于财务主管是如此，对于普通民众也是如此。
I swapped this for an uncertain job on a magazine on less than half the salary.
后来我在一家杂志换了一份不确定的工作，薪水少了一大半。
If Opel closes, GM's own prospects, already uncertain, would be dealt a further blow.
如果欧宝真的关门，通用已经不确定的前景将受到进一步打击。
Even lacquer, which is a more uncertain market than either porcelain or jade, went with a swing.
甚至漆器，相对于陶瓷或者玉其市场行情更加捉摸不定，像荡秋千一样。
Whether men would have the same reaction outside of the laboratory, say at a crowded bar, is uncertain.
但是在实验室外，比如人潮拥挤的酒吧，男人是否还会有同样的反应就不得而知了。
Another sign of change is corporate Japan's sudden zeal for mergers and acquisitions, despite the uncertain business environment and a scarcity of capital.
变革的另一个标志就是虽然商业环境难以预测以及资金不足，日本企业却突然热衷于合并及收购。
The challenges appear to arise not when the medical choices are obvious, but when the best option for a patient is uncertain.
很显然，挑战来自于病人的最佳医疗手段仍不明确的状况，而不是在治疗方案很浅显易懂时。
That the gold price has soared for different reasons than predicted is a sign that, in the uncertain times of today, gold is nearly a fail-safe asset.
不过，金价飙升的原因与预测的却不同，这显示出在眼下的不确定时期，黄金几乎是万无一失的资产。
The timing and severity of a flu pandemic is uncertain, but experts predict a pandemic will occur.
流感大流行发生的时间和严重程度难以确定，但是专家们预测大流行将会发生。
Hundreds of millions of young people around the world are searching for jobs in a very uncertain labor market.
在充满了不确定的劳动力市场上，全世界亿万年轻人正在找工作。
When you doubt yourself, you open a window. When you're uncertain you create a possibility in your mind that previously, did not exist.
当你对自己不太确信的时候，你就会在头脑里创造出了一种以前不曾存在过的可能性。
When you doubt yourself, you open a window. When you're uncertain you create a possibility in your mind that previously, did not exist.
当你对自己不太确信的时候，你就会在头脑里创造出了一种以前不曾存在过的可能性。
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