4. Nothing in the present Convention shall affect any provisions which are more conducive to the realization of the rights of persons with disabilities and which may be contained in the law of a State Party or international law in force for that State. There shall be no restriction upon or derogation from any of the human rights and fundamental freedoms recognized or existing in any State Party to the present Convention pursuant to law, conventions, regulation or custom on the pretext that the present Convention does not recognize such rights or freedoms or that it recognizes them to a lesser extent.
四. 本公约的规定不影响任何缔约国法律或对该缔约国生效的国际法中任何更有利于实现残疾人权利的规定。对于根据法律、公约、法规或习惯而在本公约任何缔约国内获得承认或存在的任何人权和基本自由，不得以本公约未予承认或未予充分承认这些权利或自由为借口而加以限制或减损。