justice,humanity,liberty, and the public welfare demand that immediate efforts be made to end the fighting.

VOA: special.2009.12.10

Public finance relates to the tax and welfare system that we have.

公共财政学涉及,税收和我们的福利体系。

耶鲁公开课 - 金融市场课程节选

He seems, in this way, to anticipate what we might think of as the modern welfare state that public assistance be provided, and the poor, not simply depend on the private goodwill of the others.

如此看来,霍布斯已经预见到了,我们现代社会国家福利制度的出现，穷人不只依靠个人的善意施舍度日,更多的是求助于国家提供的福利保障。

耶鲁公开课 - 政治哲学导论课程节选

In Washington Monday, the U.S.Environmental Protection Agency declared greenhouse gasses a "threat to public health and the welfare of the American people."

VOA: standard.2009.12.09

"Since that time we've really learned that as close as they are to human species, they're not close enough for any real scientific outcomes for drug testing.I think like that" That's Elizabeth Kucinich, wife of U.S. Congressman Dennis Kucinich, she is a long-time animal welfare advocate and serves as director of public affairs, for the Physicians Committee "Over 80 different HIV-related vaccines have worked in chimpanzees but none have proven effective in human beings.

VOA: standard.2010.02.16