But notice that Ale doesn't know the color of the hat on his own head.

注意一下,艾尔不知道他头上的帽子是什么颜色

耶鲁公开课 - 博弈论课程节选

It's the sort of thing you wonder about when you ask yourself, "If somebody was born blind, could he possibly know what it's like to see color?"

有时你会就一些问题问自己,如果某人天生失明,他是否可能知道看见颜色是什么感觉

耶鲁公开课 - 死亡课程节选

What color is the boat?" "White."

船是什么颜色？““白色，“

耶鲁公开课 - 1945年后的美国小说课程节选

There's a keyword, which I'm going to highlight right up here, print, which is in, I don't know what that color is, orange?

这里有个，我要高亮显示的，包含print的关键词，我不知道这是什么颜色，橙色么？

麻省理工公开课 - 计算机科学及编程导论课程节选