This supported the idea that modern humans evolved some special vocal anatomy that paved the way for language, rather than developing special brain mechanisms to coordinate already-advanced vocal tracts.

这支持了这样一种观点，即现代人类进化出一些为语言铺平道路的特殊发声解剖结构，而不是发展出特殊的大脑机制来协调已经先进的声道。