I'm going to post it in a format which will be black and white and easy to print out so you don't have to worry about this.

我会把它做成黑白板式上传,方便同学打印,所以完全不用担心笔记问题

耶鲁公开课 - 心理学导论课程节选

Well, what we now call the black notes-- although historically keyboards could be either way-- you could have these added notes black or white and then these underneath would be black.

我们现在称之为黑色音符,尽管历史上键盘的颜色换成怎样都行,也许增加的音符是白色,而底下的这些音符则是黑色

耶鲁公开课 - 聆听音乐课程节选

A horse-drawing carriage in snowfalls that cause tires stick out of control with drivers gently toddles the ground and makes a nice pattern of black and white. That's how it used to be done, because he's a myth maker.

比如一辆马车在雪地上前行，但车轮松动,使马车夫不得不在雪地里慢条斯理地行进,这样的黑白画面塑造了很好的形象,这是他以前的做法，因为他是个创造神话的人，他说。

麻省理工公开课 - 电影哲学课程节选