It attempts to study goodness through another perspective--- Performing Goodness.

Looking from the domain of ethics conduct and the moral choice,people may get conclusion through ethics conduct of artificial insemination:The artificial insemination technology is one kind of good conduct;the artificial insemination is also a public welfare behavior.

Therefore,they struggled to retain their African inheritance of naming practices despite their masters attempts to eliminate their past by denying them their names and the right to name their offspring.

The meaning of a name lies in the naming for something, and making that someone else is able to call something in an activity with the name What gets out from this process is not someone knowing of this something, but the naming exiting state of this something Something is surrounded by such a name, and divided into several item

On the effect of the non-right disposition and scope of application in bona fide gains;

Research on theory base of bona fide gains;

The bona fide gains has been accepted and provided in many country s civil law,although the theory hasn t been establisher in our legal system,it has been applied in our country s justice practice.