He showed a picture of Leonardo da Vinci's famous "Mona Lisa" painting to one hundred school children from poor city neighborhoods.

VOA: special.2010.07.09

It's the pressure the external world is applying on this poor system here.

V是气体初态和,末态的体积之差。

麻省理工公开课 - 热力学与动力学课程节选

There was another Henry Poor set up Poor's in 1916 on a similar model and they later merged with Standard Statistics to become Standard & Poor's, S&P.

还有一位...,亨利·普尔在1916年按照类似模式,成立了普尔评级机构,随后他们与标准统计机构,合并成为标准普尔,简称S&P

耶鲁公开课 - 金融市场课程节选

The coalition has long banked the credibility of its deficit reduction programme on the verdict of the global credit rating agencies, Moody's, Standard and Poor's and Fitch.

BBC: UK credit rating 'on the edge'

Mr Shaeuble suggested the recent downgrade of Italy's credit rating by Standard and Poor's may encourage it to speed up its own austerity measures to reassure markets.

BBC: Global leaders call for euro debt action

The chancellor's speech comes as Standard and Poor's said it would hold the UK's credit rating at the highest possible level in light of its "wealthy and diversified economy" and said the outlook remained "stable".

BBC: Tory conference: Osborne rules out temporary tax cuts