单词：Bull Call Spread
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分集介绍：本集所涉及的主题是金融市场投资学习模式的有效估价。其中主要谈及Veronika Czellar和Laurent Calvert所发表论文的三种主要作用，主要为学习模式估计、过滤和动态假设检验的引入，具
第二届金融与统计学大会
Renee Montagne: Hundreds of thousands of Americans have back surgery every year at a much higher rate than any other country. Whether there are too many back surgeries is a hotly debated subject in orthopedist , NPR's Joanne Silberner examines the q
2006年NPR美国国家公共电台
VOA新闻专有名词集合（人名、地名） 4 Julie Taymor 著名美国导演 Junichiro Koizumi （Japanese Prime Minister） Kabul Kabyle area 阿尔及利亚一地区 Kamal Kharrazi Iranian Foreign Minister Kampala 坎帕拉[乌干达首都] K
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By Michael Bowman White House 03 August 2007 President Bush is urging Congress to update the law governing U.S. intelligence services when they eavesdrop on suspected terrorists. VOA's Michael Bowman reports from the White House. President Bush has
2007年VOA标准英语（八月）
U.S. President Barack Obama has tapped the highest-ranking U.S. diplomat in Cuba to be the first ambassador to the island in more than 50 years. 美国总统奥巴马提名美国在古巴的最高级别外交官为逾50年来美国驻古巴的第一位
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法国重申支持埃及民主过渡 PARIS, Spet. 9 (Xinhua) -- French foreign Affairs Minister Laurent Fabius on Monday reiterated Paris' support for dialogues between all Egyptian factions in a bid to establish a democratic state in the most populo
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