15-03-12 At first glance Esther Okade seems like a normal 10-year-old. She loves dressing up as Elsa from Frozen, playing with Barbie dolls and going to the park or shopping. 第一眼看上去，十岁的埃丝特奥卡德好像和同龄孩子没什么不一样。她喜欢打扮成《冰雪奇缘...

15-02-27 Hi everybody. I'm talking with you today from Ivy Tech Community College in Indianapolis, where I just held a town hall and heard from everyday Americans about what we can do, together, to make their lives a little better. This week, we got news tha...

15-01-30 Hi, everybody. This week, in my State of the Union Address, I talked about what we can do to make sure middle-class economics helps more Americans get ahead in the new economy. See, after some tough years, and thanks to some tough decisions we made,...

14-07-24 Mr. Whitson taught sixth-grade science. On the first day of class, he gave us a lecture about an animal called the Cattywampus, an ill-adapted nocturnal（夜的） animal that was wiped out during the Ice Age, he passed around a skull as he talked. We...

14-07-22 Putty exam refers to an exam in which the teacher makes so difficult the entire class fails. Putty exam指的是那种全军覆没的高难度考试，老师出的题太难，以至于全班同学都不及格。 Example: I better start kissing up after that putty exam. 在这种高难度考...

14-06-26 One day a college professor of Psychology was greeting his new college class. He stood up in front of the class and said, Would everyone who thinks he or she is stupid please stand up? After a minute or so of silence, a young man stood up. Well, goo...

14-06-12 One day in class, the teacher assigned his students to write a composition - if I Am a Manager. All the students began to write except a boy. The teacher went to him and asked the reason. I am waiting for my secretary, was the boy's answer. 一天课上...

14-05-11 Hi, everybody. My number one priority as President is doing whatever I can to create more jobs and opportunity for hardworking families. And yesterday, we learned that businesses added 273,000 jobs last month. All told（合计） , our businesses have...

14-04-11 Hi, everybody. Today, our economy is growing and our businesses are consistently generating new jobs. But decades-long trends still threaten the middle class. While those at the top are doing better than ever, too many Americans are working harder t...

14-02-25 An expenditure cascade occurs when the rapid income growth of top earners fuels additional spending by the lower earner wannabes. The cascade begins among top earners, which encourages the middle class to spend more which, in turn, encourages the lo...