单词：cost per mille
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By Lisa Bryant Aulnay-sous-Bois, France 11 January 2006 Two months after the worst riots in nearly 40 years swept across France, life is back to normal. There are few traces of the rioting and arson a
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BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Visit any airport, train station, or coffee shop in the United States this summer, and chances are you will find someone reading a book by the
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By Cathy Majtenyi Nairobi 18 September 2006 Thousands of mayors and officials from Africa gathered in Kenya Monday for the opening of the week-long Africities summit, which is to look at how local authorities can best implement the United Nations' m
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幽灵照片问世 Photographer John Milleker is setting up for a spirit photo shoot in Sky Meadows State Park in Delaplane, Virginia. But first, he tells visitors about William Mumler, who came up with the idea of spirit photography. 在弗吉尼亚州
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MARY LOUISE KELLY, HOST: A big part of Washington, D.C.'s plan to get its HIV rate down is to get more people on PrEP. That's a drug which can prevent HIV infection. Now, PrEP has been around for years, but only a small portion of those at risk for H
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The Cost of Smoking: All Dollars and No Sense There are many arguments in favor of quitting smoking. Some focus on health concerns, complete with pictures of desiccated lungs and gobs of arterial plaque. Some arguments appeal to vanity, describing ho
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