That motivated insurance salesmen to form long-term relationships with the families that he was insuring and to keep them from canceling their policies.

这种机制促使保险推销员与客户,建立起长期合作关系,以防止客户取消保单

耶鲁公开课 - 金融市场课程节选

To my surprise, nobody had before created a hundred-year long home price index, which seems surprising to me because the long history of home prices seems like a relevant fact; we want to know what markets do.

让我惊讶的是,此前居然没有人建立百年房屋价格指数,这点让我很惊讶,因为长期的历史房屋价格,看起来似乎是有关联的,我们很想知道市场的动向

耶鲁公开课 - 金融市场课程节选