Our ears have only evolved to respond to sound with very high sensitivity and high selectivity.

人类的耳朵对声音的反应,极为敏感，也极有选择性。

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So all the quotation marks suggest human voice.

所以引号代笔了人类的声音。

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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。

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This is Mucho talking about the Muzak: "Oedipa, the human voice, you know, it's a flipping miracle."

是Mucho谈到Muzak的时候：,“Oedipa人类的声音，是个该死的奇迹“

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