But for all that, we've got the notion, not only is he not seeing red, he can't even imagine what it's like to see red, never having had these experiences.

就算如此,我们还是认为,他不但看不见红色,他甚至无法想象看见红色是什么感觉,因为他从来没有过类似的体验

耶鲁公开课 - 死亡课程节选