He is appointed or authorized to secure for the people the, in many ways, limited ends of peace and security.

他是由人民任命并授权,让他行使权力保卫人民的安全，保卫来之不易的和平。

耶鲁公开课 - 政治哲学导论课程节选

Well, it can only be true if security selection and market timing detract from institutional returns or individual returns in the aggregate.

唯一的可能性就是证券选择,和市场时机选择,给机构和个人带来的是负的回报

耶鲁公开课 - 金融市场课程节选

But in many regards, it is a matter of space, a matter of supplies, a matter of security where issues come out which don't really matter whether you believe in religion or not.

但是就各种方面来说，是关乎空间，关乎资源供应，关乎安全,这些问题并不一定和你,是否有宗教信仰有关。

普林斯顿公开课 - 人性课程节选

Can you give us a couple of examples what he'd do in a day or when a situation arises to safeguard the national security.

你可以举些例子,说说总统每天做什么,当情况发生时如何处理,来确保国家安全吗。

普林斯顿公开课 - 国际座谈会课程节选

What worries you about America today, terrorism, wars in Iraq, Afghanistan, economy, the deficit, medicare, social security or America's place in the world, which many say sliping or begining to slip?

今天的美国哪些地方让你担心呢，恐怖主义，对伊拉克和阿富汗战争，经济，赤字，医疗保险，社会保障,还是美国的国际地位，有人称美国的地位正在或开始下滑？

普林斯顿公开课 - 国际座谈会课程节选