The reason lies in that,exception for the basic commons system and private laws,no basic principles and regimes exist concerning the reciprocity of the rights and obligations within the scope of private rights of the commons.

• 究其根源,无不与公地基本制度和法律层面除私有化之外,一直没有公地独特的接纳或认可私权内在的权义对等所需求的基本原则和制度有关。