He could turn off a light and then jump into his bed before the room got dark.

VOA: special.2009.01.24

So a bright, shiny major and then dark minor.

所以明快,阳光的大调然后是灰暗的小调

耶鲁公开课 - 聆听音乐课程节选

If an American, because his skin is dark, cannot eat lunch in a restaurant open to the public-- , then who among us would be content to have the color of his skin changed and stand in his place?

如果一个美国人，因为他的皮肤是黑色，而不能在一家对公众开放的餐馆吃午餐…,诸如此类的话，那么我们当中有谁会愿意,换上他的肤色，接受他受到的待遇？

耶鲁公开课 - 心理学导论课程节选

"They started out this kind of dark kelly and then they go to yellow, green,and brown.

VOA: special.2009.11.04

Then she was able to capture the sharp difference between light and dark.

VOA: special.2009.05.10

Then it becomes dark, dangerous and decidedly evil.

VOA: special.2009.06.12

It would be dark by then.

VOA: special.2010.05.01

And every night, late at night, I turned the lock of his door and opened it C oh,so gently! And then, when I had made an opening big enough for my head, I put in a dark lantern, all closed that no light shone out, and then I stuck in my head.

VOA: special.2009.05.16