Hunger is not essentially a message to other people but when humans when it involves a loud noise the reason why we've evolved loud noises is to communicate with other people.

饥饿不是一个传达给别人的信息,但人类会发出很大的声音,我们为什么会进化出很大的声音,就是为了与人沟通。

耶鲁公开课 - 心理学导论课程节选

You can't cram information about music, the sound of music, into your head the night before a test the way you might be able to in an English course or a history course.

你不可能像对待英语课,或者历史课考试那样在考试前一天晚上,将音乐中的信息或者将声音死记硬背,以便应付考试

耶鲁公开课 - 聆听音乐课程节选