On the arrangement of ownership of the vessel under construction in the sales shipbuilding contract;

Based on the effects of different characteristics of unified land purchase on the implementation of land purchase repertory system, this paper holds that following laws, the characteristic orientation of compulsory marketing not only guarantees the governmental dominance in implementing land purchase repertory system, but also accords with the objective pattern of Chinas economic reform.

Studies on the Documents of the Slave Sale in Mesopotamia in the Old Babylonian Period;

Thus legislative intervention in the sale of human organs should be made in our country.

Analysis of tenancy and business contracts of vineyard in ancient Turfan;

In Tang Dynasty, the legislation of obligatory right established the principle of good faith, which was embodied by setting up a relatively perfect system of warranty against defect in business.

With the transformation of self-sufficient natural economy into commercial commodity, the trade of salt industry has become more and more prosperous.

By literature review and other methods,some legal issues on sports sponsor in China such as the commonweaths and mercantile properties of sport sponsor,the difference between sport sponsor bargain and contribute bargain,the difference between sport sponsor bargain and trade bargain were studied.

During Yuan Dynasty, the phenomena of women population trades were very popular.