A More Perfect Union 塑造一个更加完美的合众国 ( 2008年3月18日，宾夕法尼亚州费城) A MORE PERFECT UNION March 18, 2008 | Philadelphia, Pennsylvania “We the people, in order to form a more perfect union.”Two hundred
So at edX and a number of other organizations, we are applying these technologies to education through MOOCs to really increase access to education. 所以在edX网站和一些其他的组织我们将这些技术应用于教育通过MOOCs，真正增加人们受教育的机会。 A
The President calls on Republicans in Congress to put scoring political points aside, and instead to focus on solving the problems facing the nation. At the time of this address, the Republican leader
So our positive interdependence, which is a fact, will prepare us to meet these challenges. But they can no longer be seen just as government-to-government. There is a time and an opportunity, and wit
