Chris. Thanks, Chris. 克里斯。谢谢，克里斯 From flutes to golf courses to same-sex marriage, that was a genius link. 从分配笛子到高尔夫球场，再到同性婚姻，真是天才式的串连 Now look, you're a pioneer of open education. 您是开放式教育的先锋之一， Y
Over the past couple weeks I've been talking with folks across the country about how we're going to rebuild an economy where if you work hard, you and your family can get ahead. 在过去两个星期中我一直与全美
My fellow citizens: the four years which have elapsed since last I stood in this place have been crowded with counsel and action of the most vital interest and consequence. 同胞们：自从上次我站在这里发表演说到今天，已有四年时光
