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

The personal aid isn't a National Security offical but a person always knows what the president's schedule is, has his briefing book, his speech, his man, whatever the president needs to just keep functioning.

私人助理不是国家安全部官员,但是他必须知道,总统的行程如何，拿着他的简报，他的发言，他的人手安排，一切总统维持正常工作,所需要的东西。

普林斯顿公开课 - 国际座谈会课程节选