Some people think that the rating agencies have allowed a kind of moral hazard to creep into their organization.

有些人认为,信用评级机构,已经让某种程度的道德风险,渗透到他们的机构中

耶鲁公开课 - 金融市场课程节选

Oil, bonds, and stocks are all independent-- somewhat independent--they're not perfectly independent, but they're somewhat independent and, to the extent that they are, it lowers the variance.

石油，债券和股票都是互相独立-,一定程度上独立，不是绝对的独立，但一定程度上独立，可以使方差值变小，降低风险。

耶鲁公开课 - 金融市场课程节选

Two is it gives you some sense for how concerned parents were about the risks of polio in the community and how much they wanted a vaccine to be developed, such that they gave permission for their children to enter into this trial.

第二是,它能让你了解,父母们对孩子,罹患小儿麻痹症的风险的关心程度,以及对疫苗的渴望程度,这使得他们同意让他们的孩子,参与到这种实验中

耶鲁公开课 - 生物医学工程探索课程节选

There's also a problem with risk-sharing at that level.

还有另一个风险分摊程度的问题。

耶鲁公开课 - 金融市场课程节选