Most number systems, then, are the by-product of two key factors: the humancapacity for language and our inclination for focusing on our hands and fingers.
因此,大多数数字系统都是两个关键因素的意外结果:人类的语言能力及我们对手和手指的关注倾向。
2
Like any other humancapacity, differs across people.
就像人类其他的能力一样,都是因人而异的。
3
Imagination starts with "the uniquely humancapacity to envision that which is not," said Rowling.