February 20, 2008 THE PRESIDENT: Welcome to tee ball in Ghana. We're glad you're here. Thanks for coming. I am so honored to be here for -- to witness the game between -- I want to make sure I get thi

每天读一点英文之那些激励我前行的英语演讲 03：I Have a Dream 我有一个梦想 by Martin Luther King, Jr. 马丁路德金 I am happy to join with you today in what will go down in history as the greatest demonstration for freedom in the histor

And focus instead on studying and inventing and competing and leading she'll think those are the only things. 而是专注学习发明创新 与人竞争 发挥领导作用她就会认为 That girls are supposed to care about Now, Michelle will s

　　The brain is an amazing and complex organ. And while many people are fascinated by the brain, they can't really tell you that much about the properties about how the brain works because we don't tea

Yesterday, President Obama traveled to Parkville Middle School and Center for Technology to unveil his budget proposal for 2012 and explain some of the tough choices we have to make so we can afford t