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

so in some sense it's safer, it avoids the 0, although I mean it's true it avoids the 0 but it also doesn't get the 5 and the 4.

某些情况下选下是比较安全的,因为他避免了0收益,我的意思是它的确避免了0收益,但选它也得不到5和4这连个最大收益

耶鲁公开课 - 博弈论课程节选

Even when the president first came into the office he is always careful to make sure he was always well briefed, meet regularly with his national security team, with his intelligence briefers, on a regular basis.

即使是总统从一开始,走进办公室,他总会很小心地确保,他有个良好的情况简介，和他的安全小组见面，和情报简报员见面，这些都是定期的。

普林斯顿公开课 - 国际座谈会课程节选