Walzer holds that there are different distributive principles in different areas of social goods in which stand such three main principles as free exchange, deserving and needs.
沃尔泽认为不同的分配领域有不同的分配标准，由此提出正义三原则即自由交换、应得和需要。
2
Walzer and Miller have some common understandings toward the background, basis, applying principle and research area of the theory, but there are some different views between them as well.