变更合同

• Hold the notion that the legislation of the principle in china should entitle the parties to amend contract and annul contract derectly by comparing the difference of the principle content in mailland law system " different counties and regiones . at the end of the article , i gave some elabarate advice legislating pattern of substantive law and procedural law in china
  通过大陆法系不同国家与地区法律中对情事变更原则规定的差异比较，认为我国的情事变更原则立法应赋予当事人直接变更合同与解除合同的权利，并相应地在实体法与程序法的立法选择与立法模式中提出一些具体的建议。