The idea behind Britain's health-care system is straightforward, says Michael Summers of the non-profit Patients Association that helps people understand the National Health Service.

VOA: standard.2009.09.24

And all of a sudden, I moved from being a professor here, which previously had been my greatest opportunity, to leading this very large non-for-profit organization that had both national and international responsibilities.

所以突然间，我从普林斯顿的教授，这曾经是我最大的机遇，变成了这个公益组织的领导者,负有国内和国际的双重责任。

普林斯顿公开课 - 人性课程节选

India has said there is no question of its joining the Nuclear Non-Proliferation Treaty as a nuclear weapon state, saying nuclear weapons are an integral part of its national security.

VOA: standard.2009.09.29