The paper, first of all, expounds the development and the major points of the theory.Then it makes a profound discussion of the cognitive properties and the motivations of the prototypical categories.

• 介绍了原型理论的产生和基本观点，探讨了原型范畴的认知特性和认知理据，并指出范畴化实际上是一种体现人们经验现实的人类认知行为。