The author of this article makes an investigation into the main causes of mistranslation in Business English on an instance basis in hope of identifying the major barriers to standarding the translation of Business English.

We have founded the main causes of Chinese volleyball team fall behind the world are as fallowing: firstly, the basic technical actions have some defect , the short of power, the basic factors of Chinese coaches have greatly fall behind for foreign coach, the players of Chines.

By the research methods of literature and so on, the author thinks that the main causes, which lead to the violent behavior of soccer hooligans appearing throughout the world, are as follows: over description and improper use of words by media, emotions flying off and unhealthy feeling of happiness of soccer hooligans, over spread of ideological trend of militarism and theory of Eric Dunning.

Then the main reasons why frozen food industry in china developed so quickly nowdays and the main problems existed in the developing process of frozen food industry are analyzed.

This paper, from market demand and engineering technology point of view, introduces the major cause of its being greatly concerned.

this paper, from market demand andengineering technology point of view, introduces thedevelopment process of electric propulsion and themajor cause of its being greatly concerned.

This is the main reason that lead the number army to fail.

On the basis of questionnaires,this paper analyzes the main reasons for students lack of motility of learning from the aspects of students,in-house teachers and student administrators.

Based on summarizing the situation of social demand of experts in psychological health education,the article analyses the main reasons why appeared social demand.