A few years later, she began serving as assistant 数年后 她开始在芝加哥市政府 commissioner of planning and development for the city of Chicago 担当助理委员 负责城市规划与发展 and then became the founding executive director of 之后
我们都身处在由朋友、家人、同事等所构建的庞大的社会网络之中。波士顿哈佛大学医学院的医学社会学家尼古拉斯 克里斯塔基斯Nicholas Christakis追踪发现了一系列的特质──诸如快乐和肥胖──是如何从一个人传递到另一个人的，解释了你在社会网络中所处的地位是如何以你意想不到的方式影响着你的生活。 Nicholas Christakis：The hidden influence of socia
April 24, 2007 11:13 A.M. EDT THE PRESIDENT: Good morning. Seventy-eight days ago I sent Congress a request for emergency war funding that our troops urgently need. I made it clear to Democratic leade
