in fits and starts, punctuated at times by hardship, 一阵一阵地,时不时地有困难, but ultimately written by generations of citizens who've somehow worked together, without fanfare, to form a more perfect union. 但最终
7. Unleashing Your Creativity 7. 释放你的创造力 I believe that computers are the most incredible tool we can use to feed our curiosity and inventiveness---to help us solve problems that even the smartest peo
Weekly Address: Honoring Our Fallen Heroes this Memorial Day (May 23, 2015) 奥巴马每周电视讲话：总统阵亡将士纪念日发表讲话 致敬逝去英雄 Hi, everybody.This weekend is Memorial Day—a time to pay tribute to all our men and wom
Obama's Weekly Address WEEKLY ADDRESS: Working with Both Parties to Keep the Economy Moving Forward 每周电视讲话：两党共同努力 促进经济发展 Hi, everybody. Over the past couple months, most of the political headlines you
