On a still bigger scale, we see entire galaxies of stars. We see entire ecosystems where gas is being recycled. 在更大的范围里，我们看到恒星组成的星系。我们看到完整的生态系统，看到气体被回收利用。 And to the cosmologist, these galaxies are ju

President Obama: "Never Again Will the American Taxpayer be Held Hostage by a Bank that is 'Too Big to Fail'" This morning the President proposed what he called "the Volcker Rule," named after one of

PRESIDENT BUSH: President Barzani, welcome back to the Oval Office. It's been a while since we have seen each other, but we have talked on the phone quite frequently -- and the reason why is because y

At the opposite extreme 在对待老人的另一个极端 in treatment of the elderly, the happy extreme, 这个快乐的极端， are the New Guinea farming societies 是在新几内亚的农耕社会 where I've been doing my fieldwork for the past 50 yea

And the big thing for me is economic growth, which is not possible without safety and security. 促进经济增长是我的大事，而若缺少安全和保障，经济便难以好转。 We will grow our economy; it is growing already. 我们要发展我们的经济，而现已初见成效。 It w