Moreover, today, more than half of the world's population 除此以外，超过世界人口的一半以上 live in cities. 都居住生活在城市。 In the developed world, it's about 78 percent. 在发达国家中，这种比例达到了78%。 More than three out of fo
Hi, everybody. This week, we made it official -- I'm going to Cuba. When Michelle and I go to Havana next month, it will be the first visit of a U.S. president to Cuba in nearly 90 years. And it build
What counts for Vivian was the emotional connection she created with her fellow employees and our guests. And what gave her inspiration and meaning was the fact that she was taking care of people who
I didn't end up getting kicked out -- I did that to myself. 我没有被开除，我想办法留下来了。 Priscilla and I started dating. And, 普莉希拉开始和我约会。 you know, that movie made it seem like Facemash was so important to starti
