Unit OneJob Requirements and the Forms of Business Lette Part One Job Requirements Part Two The Forms of Business Lette Summary ExercisesUnit TwoEstablish Business Relatio Introduction Business Lette Pattern A of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit ThreeCredit Inquiry Introduction Business Lette Pattern B of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit FourEnquiries and Replies Introduction Business Lette Pattern C of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit FiveQuotatio and Proforma Invoices Introduction Business Lette Pattern D of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit SixOffe, Counter-offe and Re-counter Offe Introduction Business Lette Pattern E of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit Seven Orde and Their Fulfillment Introduction Business Lette Pattern F of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit EightSales Confirmatio Introduction Business Lette Pattern G of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit NineTerms of Payment Introduction Business Lette Pattern H of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit TenPacking Introduction Business Lette Pattern I of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit ElevenIurance Introduction Business Lette Pattern J of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit TwelveShipping Itructio and Shipping Advice Introduction Business Lette Pattern K of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit ThirteenTrade Disputes and Settlement Introduction Business Lette Pattern L of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit FourteenSales Promotion Introduction Business Lette Pattern M of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit FifteenExpos Introduction Business Lette Pattern N of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit SixteenFlexible Trade (Ⅰ) Introduction Business Lette Pattern O of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit SeventeenFlexible Trade (Ⅱ) Introduction Business Lette Pattern P of Business Lette Relevant Terms Useful Phrases Summary ExercisesUnit EighteenMiscellaneous Introduction Business Documents Relevant Terms Useful Phrases Summary ExercisesAppendix Ⅰ Commercial Acronyms and AbbreviatioAppendix Ⅱ Key to Exercises