Nobody knows, but there's a theory which won't answer your question but will put it into a broader context.

没有人知道答案,但有这么个理论,它无法回答你的问题,但却能让你从更宽广的视角来看这个问题

耶鲁公开课 - 心理学导论课程节选

In other words, Iser is no more an historicist than Gadamer is but insists rather on the mutual exchange of prejudice between the two horizons in question.

换句话说就是，伊瑟尔并不比葛达玛更历史主义,但他相反却坚持在两个有争执的视域中,偏见的互换。

耶鲁公开课 - 文学理论导论课程节选

He says that and then he shows an even more detailed picture, but what I want to show you on this slide is just the simple part of it.

他虽这么说却居然,拿出了一张甚至更复杂的图片,但我只想告诉你们,这张幻灯片上很简单的一部分

耶鲁公开课 - 生物医学工程探索课程节选

So, there's a whole lot of sensory organs, for instance, focused along your tongue, and that's why that's so big, and an enormous amount on your face but your shoulder isn't even— doesn't even make it on there because although your shoulder might be bigger than your tongue, there's not much going on.

比如,在你的舌头上,集中存在着非常多的感觉器官,也就是这片区域如此之大的原因,你的脸上也有数量庞大的感觉器官,但你的肩膀并没有,你的肩膀甚至都没有在示意图中标示出来,因为,尽管你的肩膀要比你的舌头更大,但却并没有什么感受器官

耶鲁公开课 - 心理学导论课程节选