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Hi, everybody. This week, there was a big birthday you might have missed. Medicare and Medicaid turned 50 years old. And that's something worth celebrating. If one of the best measures of a country is
TED演讲:为什么你应该热爱统计学(6)
So I devised a quiz: How well do you know your area? 对此我设计了一个测试:你对你居住的地区了解多少? It's a simple Web app. 这是一个简单的网络应用。 You put in a post code and then it will ask you questions based on census data for you
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奥巴马总统每周电台演讲(2016年6月11日)
Hi, everybody. Today, I want to talk with you about the crisis in Puerto Rico and why it matters to all of us. Puerto Ricans are American citizens, just like folks in Maine or Oklahoma or New Mexico.
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When the great director Billy Wilder was asked what makes a movie unforgettable, his answer was simple, "A little bit of magic!" We're all here tonight or sitting at home watching becaus