"President Obama, based on an earlier story,had asked that the national security team gather further information on his background, including concerns that he might have been involved the deaths of a significant number of Taliban prisoners of war a few years ago.

VOA: standard.2009.08.17

All right. With that by the way of background, let's go on to two -what we might call rhythmic devices here--two rhythmic devices.

以此为背景知识,我们来继续学习,两种节奏类型

耶鲁公开课 - 聆听音乐课程节选

Study at their views and I think what I'm talking about is really completely different, I have no sympathy for ideas that say we want to get rid of people because their racial background or because in somewhere they are blot on the Aryan folk.

我也研究了他们的观点，然而我觉得,我的学说和纳粹是全然不同的,我并不赞同他们的说法，那就是,我们要消灭一些民族，只因为他们不同的宗教,因为他们在雅利安传说中的,不良形象。

普林斯顿公开课 - 人性课程节选

This is generally the general introduction of the brain that I wanted to provide, giving the framework for what I'll be talking about later on throughout the course so that I might later on make reference to neurons or neurotransmitters or the cortex or the left hemisphere and you'll sort of have the background to understand what I'm talking about.

以上这些就是我所要讲的,关于大脑的综述,为我以后要讲的课程,建立起框架,往后我可能会提到神经元,神经递质,大脑皮层,或是大脑左半球,而拥有了背景知识的你们,便能够理解我在讲些什么

耶鲁公开课 - 心理学导论课程节选