The internal cause of the development and change of word meaning results from the cognitive thinking of language users to extend primary meanings of a word to more or less other related meanings via metonymic devices like metonymy and met.

Based on the idea of “the principle of cognitive economy” and from the point of informationprocessing and cognitive thinking, the paper makes an analysis of the language materials collected from CAEXPOand the analysis reveals that there are translation inadequacies such as semantic redundancy, overuse ofmodifiers and Chinglish in the translated investment guides.

Surveys on perception of balanced scorecard among healthcare practitioners from 25 public hospitals in Shanghai;

On the HR Perception of Chinese Enterprises;

Analysis of cognition about charg of system of urban domensticgarbage among residents in tianjin;

Outpatients' Cognition on Adverse Drug Reactions;

Medical Staff s Cognition on Clinical Pharmaceutical Care;

A survey on cognition degree of subjects toward general investigation with low dose of multi-row spiral computed tomography and lung cancer;

In this paper,a novel memory-based algorithm is proposed,in which the items are classified by their key attributes,similar users are selected and ratings are predicted for the active user after computing cognition degree.