福利国家的危机及其成因的根本性质是什么?福利国家转型的进展和困难是什么?福利国家的转型同中国社会保障制度的改革有什么异同? What is the nature and the nature of the crisis in the welfare state and its causes? What are the progress and difficulties in the transformation of the welfare state? What are the similarities and differences between the transformation of the welfare state and the reform of China’s social security system?