5、oductiontoBusiness Letters(商务信函概论)TheGeneralProceduresforBusinessLetterWriting:1.Determineourpurposeofwritingacertainletter.2.Identifywhothereadersare.3.Organizethemessage,whichistobecontainedintheletter.4.Writeadraft.5.Polishthewriting.UnitOneIntroductiontoBusiness Lett