Among them was Retired Air Force General Michael Hayden, who held the post from 2006 until early this year.

VOA: standard.2009.04.20

I'm bringing in outside speakers as part of this course and, I'm going to, among them, bring in people who I think have been philanthropists.

我会邀请客座嘉宾,在课上讲座,而这些客座嘉宾中,会有一些慈善家

耶鲁公开课 - 金融市场课程节选