The deepness of a voice is not an accurate guide to whether someone is muscular or weedy. Instead, people rely on a subconscious, mysterious "x-factor' in the voice to work out someone's physique.
然而聲音的低沉程度并不是判別一個人肌肉結實或者瘦弱的標準,實際上人們依靠著直覺--聲音里一種未知的因素來總結出一個人的結實程度。
Dr Aaron Sell, of the University of California, Santa Barbara, believes the ability to assess strength from voices evolved to help our ancestors avoid picking fights they were likely to lose.
美國加州圣巴巴拉大學的阿隆賽爾博士相信我們的祖先演化出這種依靠聲音判斷力量強弱的本能,以此來避免卷入對自己很可能不利的爭斗。