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

And do you think there should be closer cooperation working with the EU.

那么您认为,美国应该和欧盟建立更加紧密的合作关系吗。

普林斯顿公开课 - 国际座谈会课程节选