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

But within all of these groups is an attempted try to get down something that's so fundamental, and we just have to safeguard. I'm thinking broadly in terms of social justice criteria, others may say human dignity. There're certain things we do to safeguard others' human dignity.

但在所有这些群体中都有一种努力,在尝试着记录下最根本的东西，而我们要做的就是维护，我在广泛思考着,社会正义的标准，其他人可能会说是人的尊严，有些事情,我们会做从而维护他人的尊严。

普林斯顿公开课 - 人性课程节选