Global warming adds another layer of uncertainty and risk.

全球变暖又增加了一层不确定因素和风险。

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Uncertainty avoidance reflects the extent to which a society accepts uncertainty and risk.

不确定性避免反映的范围内，社会接受不确定性和风险。

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Characteristics of managerial decisions are lack of structure, uncertainty and risk, conflict.

管理决策的特点是：结构欠缺；不确定性和风险；冲突。

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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

Political uncertainty and risk are back across the Eurozone, with yields on peripheral sovereign debt shooting up.

FORBES: Silvio's Back: Berlusconi Forces Italian PM Monti To Resign, Borrowing Costs Surge

Geoengineering the climate is an option that is now gaining scientific, policy, and public attention but it involves considerable uncertainty and risk.

UNESCO: MEDIA SERVICES

For more on this topic, see my post Uncertainty And Risk Management: What To Do About Black Swans and my consulting services page.

FORBES: Flexible Corporate Strategy: The Freedom Pipeline Example