Eighty percent of carbon emissions come from cities, 80%的碳排放来自于城市， which means cities are in a position 而这意味着城市正处于一个 to solve the carbon problem, or most of it, 解决碳排放问题的关键位置。 whether or not the states
Hi everybody, and Happy Fourth of July weekend. On Monday, Michelle, Malia, Sasha, and I will celebrate the Fourth like most of you – in the backyard. We'll hang out with family and friends, throw
My predecessor at the Fed, Chairman Ben Bernanke 我在美联储的前任本·伯南克主席 demonstrated such courage 就证明了这份勇气 especially in his response to the threat of the financial crisis 特别体现在他对金融危机威胁所作出的反应 To stabilize th
OK, now, you all saw what changed, right? 好，你们都看到了什么东西改变了，对吧？ How many of you noticed that every one of those squares changed color? 有多少人注意到每一个方块都变了颜色？ Every one. I'll just show you by running it
