A:Why is the law established?

　　为什么制定法律？

　　B:Law is established for the benefit of man.

　　法是为人类利益而制定的。

　　Law is made for the benefit of man.

　　法是为人类利益而制定的。

　　Law is worked out for the benefit of man.

　　法是为人类利益而制定的。

　　Law is formulated for the benefit of man.

　　法是为人类利益而制定的。

　　延伸阅读:

　　A:What is Equity?

　　衡平法是什么？

　　B:Equity is a correction of common legal rules in their defective parts.

　　衡平法是对普通法律规则中瑕疵部分的矫正。

　　The reform is a correction of the system in some parts.

　　改革是对体制中一些部分的矫正。

　　The method is a correction of the operation in poor condition.

　　这个方法是对运营状况不佳的矫正。

　　What is a correction of Military Law in the defective parts?

　　对军法中瑕疵部分的矫正是什么？