He proposed that no more slaves be sold in the District of Columbia for use outside the federal district, but also proposed that slavery should not be ended in the district unless its citizens and those of Maryland approved.

VOA: special.2009.03.19

Pages and pages of them, so no one expects you to know all those identities, but there are a few popular ones we will use.

好几页的内容,我不要求你们都能记下来,但是我们会用到一些著名的恒等式

耶鲁公开课 - 基础物理课程节选

The clicker does not have any identifying information on it, so you're one of you know, three-hundred people in the class or so, and your response will show up but we won't know whose-- who it came from so there's no intent to use it in any kind of way of identifying people.

表决器上没有任何的标识,所以你们要知道,课堂上大约有三百人,你们回答了我的问题,我却不知道,是谁回答的,所以绝对不会存在暴露身份的问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So what,he asks,has changed? They use the slogan of change, but we have seen no change,"

VOA: standard.2009.03.21