Mr.Crehan spent the last eight years as a senior vice president at Lehman Brothers Holdings in the ratings advisory group and left his position in March 2008.是什么意思_Mr.Crehan spent the last eight years as a senior vice president at Lehman Brothers Holdings in the ratings advisory group and left his position in March 2008.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句