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Hi, everybody. It's now been four years since a crisis that began on Wall Street spread to Main Street, hammering(锤击, 敲打) middle-class families and ultimately costing our economy 9 million jobs. Since
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It's the part of mathematics that even mathematicians don't particularly like, 统计是数学的一部分,但是它是连数学家都不怎么喜欢的那一部分, because whereas the rest of maths is all about precision and certainty, statistics is almo
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Hello, everyone! This weekend, millions of Canadians and billions of people around the world will gather with friends and family to celebrate Easter, or Pascha, as it's called in the Orthodox Church.