开课单位-- 美国国际商用机器公司
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How I was right even when I was wrong[即使我错了, 我也是对的]
  Chris Welty( 美国国际商用机器公司) For the past several years I have warned people not to ask me to predict the future, because my predictions are usually wrong. Undaunted by failure, i...
热度:40
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