There is no simple solution to ending poverty in america, but Catholic Charities u.s.a.says that task is a moral obligation for everyone. 美国并没有终结贫穷的简单方法,然而美国天主教慈善机构表示此任务对每个人来说是道德责任。
The theory researches about the problem are not very deep, they just normally use simple legal evolutional theory, considering it deriving from obligation standard to right standard then developing to society standard; 学界关于此问题的研究很不深入,泛泛地套用法律进化论:从义务本位到权利本位再到社会本位;