And we see these amazing structures -- these little knots of two colors of thread we call "social hot spots." 我们看见令人惊讶的结构，这是两种颜色的小结点，我们把它称为社交热点 The spiral thread we call a "solo hot spot." 那些螺旋线我们称为单一
Obama's Weekly Address WEEKLY ADDRESS: It's Time for Congress to Help the Middle Class 奥巴马每周电视讲话:总统呼吁国会要加快步伐 帮助中产阶级 Hi, everybody. 大家好! My top priority as President is doing everything I can to create
September 24, 2007 6:48 P.M. EDT PRESIDENT BUSH: It's a pleasure to be with my friend, the President of Brazil. Every time we visit it's always a fruitful and important discussion. We talked about cli
