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
Expected value is good and variance is bad because that's risk; that's uncertainty.
风险越大，不确定性越强，价格越高。
The bigger the risk, the more uncertainty, the higher the price.
更恰当的说法是“风险加权”的不确定性。
风险指的是，在特定情况下某种结果的不确定性形式。
Risk implies some form of uncertainty about an outcome in a given situation.
这一时期的经济模型最大特点是环境的不确定性，即存在经济风险性。
The obvious advantage of this model is its uncertain environment, that is the economic risky.
在环境风险评价中存在着很多的不确定性因素。
There are many uncertainties in the environment risk assessment.
这些不确定性对于企业来说既是风险，同时又是机会。
These uncertainties are risk, and meanwhile they are opportunities to decision maker.
但面临很大的政策不确定性和产业链还不完善等风险。
But the risk is great in policy and industry -chain which is not perfect.
在风险投资契约中，不确定性、信息不对称和代理费用是最主要的三个问题。
In venture capital contract, uncertainty, informational asymmetries and agency cost are the most important issues.
随变化而来的是不确定性、风险、怀疑和希望。
With any change, there will be uncertainty, risk, skepticism and hope.
这种不确定性往往给理财系统带来极大的风险。
This uncertainty often brings great risk to the financial system.
风险来自于对未来事件的不确定性，风险无处不在、无时不有。
Risk from the uncertainty of future events, risk is everywhere and at all times there.
当代社会是一个充满不确定性和风险危机的时代。
税收筹划风险是指筹划结果的不确定性。
The risks of tax planning are the uncertainty of the consequence of tax planning.
这些风险的估计有不确定性。
这些风险的估计有不确定性。
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