片语
Foreign Business English Correspondence外经贸英语函电
New business English correspondence新编商务英语信函
Business English Correspondence商务英语信函
Foreign Trade Business & Correspondence外贸业务
commercial correspondence[邮] 商业信函;商业通信
business English correspondence translation商务英语信函翻译
business communication商务沟通,[通信] 商业通信
business correspondence in chinese商贸写作
International Business Correspondence外贸函电
Analysis of Business-correspondence Style商务信函文体分析