S&P is under fire from politicians for downgrading the United States from AAA to AA+.

标准普尔由于把美国主权信用评级从AAA调低为AA +而备受政界人士批评。

youdao

But the next day, fears that venerable investment bank Lehman Brothers ( LEH) might go under dragged the S&P 500 down 3.4%.

但是对于关联的投资银行lehamn兄弟银行资产缩水的顾虑，标准普尔500指数降了3.4%。

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Think about this for a minute: Was the S&P 500 more risky on March 6, 2009, when it was under 700, or is it more risky today, with the index over 1,300?

让我们花一分钟思考思考：2009年3月标准普尔500指数跌破700点大关，投资者信心低迷，但若与今天超过1300的指数比，风险还称得上大么？

youdao

All right, so let's go back to electrons configurations now that we have an idea of why the orbitals are listed in the energy that they are listed under, 2p why, for example, the 2 s is lower than the 2 p.

好的我们返回来到电子构型,现在我们有一个思路知道,为什么轨道,以能量列出来，举个例子2s低于。

麻省理工公开课 - 化学原理课程节选

P.s, and death under torture of a young Afghan man, known only as Dilawar, in 2002, at the Bagram Air Base, north of Kabul.

NEWYORKER: Taxi to the Dark Side