源自于

One variation stems from the categorical status of the adjectives of which gradability is the essential feature for a comparative predicate.

其中一项差异源自于比较述语基本特性，也就是语言中带有层级性词汇。

Apraxia arises from lesion to the regions associated with preparation and planning for the motor act, specifically the supramarginal gyrus of the parietal lobe, Broca's area, and the SMA.

失用症源自于对运动行为相与筹划区域减退，特别是顶叶布洛卡区域以及补充运动区域缘上脑回。