大多數哺乳類都是透過嗅覺來溝通彼此
而肛門通常會有腺體產生氣味來吸引同類
所以照理說我們應該要覺得肛門味是香的
但人類卻不是,肛門味對人類來說只有惡臭可言
是因為可以透過其他方式溝通
而漸漸不需要透過肛門來散發味道溝通了嗎?
有肛門系教授能為我們解惑嗎?
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