商务信函示例(4hb): http://www.4hb.com/letters/index.html 商务英语词典(Business Dictionary):http://www.businessdictionary.com/ 商务英语(About):http://esl.about.com/od/englishforbusinesswork/ 商务英语 (Talk English): http://www.talkenglish.com/Speaking/listBusiness.aspx 商务英语网(Business English Site): http://www.businessenglishsite.com/index.html 商务英语(English Club): http://www.englishclub.com/business-english/index.htm 商务英语 (ESLgold): http://www.eslgold.com/business.html 商务英语 (ego4u): http://www.ego4u.com/en/business-english/communication
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