The RT argues that the cognitive environment of the addressee plays a vital role in understanding utterance in communication, and it consists of three kinds of information, namely, logical, encyclopaedic and lexical information.

• 关联理论还指出在语言交际中,对话语理解起主要作用的是构成听话人认知环境的一系列假设,一个人的认知环境由三种信息组成,即逻辑信息、百科信息和词语信息。