You don't see a red and yellow, you don't see green and blue.

你们不可能看到红连接黄 或者绿连接蓝

耶鲁公开课 - 生物医学工程探索课程节选

One is that there's four different colors and so you can see red, blue, yellow, green here - four different colors and that's all there are, there aren't more than four.

一是这些梯阶有四种不同颜色,你可以看到红 蓝 黄 绿,恰恰只有四种不同颜色,不多不少

耶鲁公开课 - 生物医学工程探索课程节选

You find that the graphs for the men and the women, the orange and the yellow lines look pretty much the same, so there don't appear to be any gender interactions until you get out here, and that's a pretty small segment of the population.

图中黄色线代表男性,橙色线代表女性,两条线相当接近,除此之外,性别之间没有太大差异,这部分人群总体并不多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选