If individuals on the edge of a group are more vigilant because they are at greater risk of being captured, then individuals on average would have to be more vigilant in smaller groups.

如果处于群体边缘的个体由于被捕获的风险更大而变得更加警惕，那么个体通常在较小的群体中就必须更加警惕。

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We can then use either a stored procedure or a user-defined aggregate to calculate the average risk for each branch.

那么，我们可以使用存储过程或用户定义的聚集来计算每个支行的平均风险。

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Women with an average risk of breast cancer.

具有一般乳癌风险的妇女。

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Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.

VOA: special.2009.04.08

We could have gone on and studied the average at-risk population for decades and centuries.

我们本可以继续研究几百年来的,平均受危人群。

哈佛公开课 - 幸福课课程节选

They have a lot of time to look in monitor and analogues. And from a government policy perspective and a banking policy I wander whether the issue of risk of mispricing and so forth had much of the information been more generally available to the average public average person?

他们有很多的时间去关注监视器和,其他类似的东西，从政府政策,和银行政策的角度出发，我在想,错订价格的风险等议题,和其他很多信息能否让,大众，普通人更广泛地接触到？

斯坦福公开课 - 经济学课程节选

So even in the most favorable scenario, Facebook investors would still have above average risk with a very average return.

FORBES: How Much Is Facebook Really Worth?

If a doctor determines the overall risk is average or below average, the medical community is divided about the virtues of additional imaging such as sonograms.

WSJ: Dense Breasts Pose a Dilemma in the Search for Breast Cancer

This seems logical enough: women are indeed, on average, more risk averse than men on average.

FORBES: To Reduce Risk in Banking: Just Hire More Women!