It points out that a translator should achieve pragma-linguistic and sociopragmatic equivalence through pragmatic comparison.

Thus social pragmatics manifests demotic cultural qualities、 moral attainments and spiritual features of a society.

From the aspects of social pragmatics, this article analyses the existed semantic bias and prejudice in sex, race, class, area, profession, etc.

The paper attempted to understand the features of the public language in Zhoushan City by conducting a survey in the governmental organizations and public service industries with the purpose of standardizing public language,purifying the social atmosphere and establishing good social moral style.

With the globalization of the world,international cultural communication has become prevalent,and the standardization of English version of public language is vital to communication,and to economic and cultural development.

From the view of economics,the market choice model of reused products is built by constructing social utility function at the standard of the new product with the same functions and its solving condition of equilibrium quantity is derived.

Corporate social responsibility includes maximum economic benefits,maximum social utility and minimize environment pollution,this paper develops a three-level supply chain network equilibrium model with multi commodity and Multicriteria based on corporate social responsibility through integrating the three criteria under random demands.

In this article,the authors argue that the principle of pragmatic equivalent effect can be followed in the translation of public signs.

Through the pragmatic contrast study, readers can see clearly that Hawkes version not only reproduces the pragmatic meaning, but also recreates the vividness of the original language, therefore successfully achieves the pragmatic equivalent effect by adopting appropriate translation techniques.

In terms of different associative meanings that figurative images may imply in different cultures, appropriate translation techniques should be adopted so as to achieve pragmatic equivalent effect between the target language text and the original text.