About one-third of Southern white families at one time or another had at least a toehold in slave ownership.

大约三分之一的南方白人家庭,在某一段时期至少都拥有过奴隶

耶鲁公开课 - 美国内战与重建课程节选

It was at one time white faces, not white bags: white faces.

原来曾用过“白色的面孔“,不是“白色袋子“

耶鲁公开课 - 1945年后的美国小说课程节选

Because the most valuable commodity in any White House isn't the money it's the president's time.

因为在白宫最珍贵的,不是金钱,而是总统的时间。

普林斯顿公开课 - 国际座谈会课程节选

Every time you hit the enter key in Notepad or in Microsoft Word, small white lie, those two characters end up getting saved in the file.

在Notepad或Microsoft里，每当你敲回车键时，没有恶意哈，这两个字符,都会保存在文档里。

哈佛公开课 - 计算机科学课程节选

Like I said, with the most valuable resource being the president's time, a lot of efficiently running White House time is spent on how to allocate that precious resource.

正如我所说，在白宫里,最宝贵的资源是总统的时间，很多高效运作的时间,都用于决定如何使用,这个宝贵的资源。

普林斯顿公开课 - 国际座谈会课程节选

I was in an early time in the White House.

我在白宫工作开始得很早。

普林斯顿公开课 - 国际座谈会课程节选