地铁项目在全寿命周期内存在大量的不确定性风险因素，阻碍了项目建设目标的实现。

There are many risks in metro engineering during its life cycle, which are the serious barriers to realize the settled goals.

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尽管网络先行者通常能取得市场优势，但企业开展电子商务也面临巨大的不确定性风险。

Although network pioneers are able to gain market advantages, enterprises are confronted with enormous risks of uncertainty in carrying out e-commerce.

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本文针对有关风险企业家能力和风险企业经营的不确定性风险，提出了对风险资本合同的强壮性要求概念。

This paper presents the concept of robustness requirements to the venture capital contract aimed at uncertainty risks in the operation of venture firms and related ability of the enterpriser.

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Expected value is good and variance is bad because that's risk; that's uncertainty.

期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性

耶鲁公开课 - 金融市场课程节选

I have stocks, bonds, and oil but I want also to add one more final asset, we'll call it the riskless asset, long-term bonds are somewhat uncertain and variable because they're long-term.

有股票，债券和石油,我还想再增加最后一种资产，我们称之为无风险资产，由于长期债券持有期限很长,存在一定不确定性及风险。

耶鲁公开课 - 金融市场课程节选