当代国际商务函电

 lesson one  the principles of effective business communication
　 1. express ideas clearly
　2. keep the message concise
　3. adopt a reader-focused approach 
　4. get the right tone and style
　5. have a good command of english
　6. have a good command of business knowledge
　new words and phrases
　notes
　exercises
lesson two  selection of media
　1. introduction
　2. communication media 
　3. communication etiquette
　4. considerations in media selection