Remarks of President Barack Obama As Prepared for Delivery Weekly AddressJanuary 16, 2010 Over the past two years, more than seven million Americans have lost their jobs. Countless businesses have bee

And we actually, in this case, I'm sorry to say, it happened -- it was serendipitous. 实际上在这件事情上，我很遗憾地说，我们找到了，是偶然间发现的。 Because I got a phone call from our chief chemist and he said, 我接到我们的一位首席化学家打来电话，他

And while you are making a difference at school, at home, at work, 当你们在学校、在家里、在工作中有所作为的时候， many of you will also want to make a bigger difference and take a larger perspective on the pressing issues o

Remarks of President Barack ObamaWeekly AddressThe White HouseJanuary 1, 2011 Hello, everybody. As we close the books on one year and begin another, I wanted to take a moment today to wish you a very

but it's the only way we can improve 但我们只能在批评中进步 A few years ago, Mark Zuckerberg decided he wanted to learn Chinese 几年前 马克·扎克伯格决定要学中文 and in order to practice 为了练习 he started trying to have work