1.THE LAYOUT OF A BUSINESS LETTER 2.ESTABLISHING BUSINESS RELATIONS 3.ENQUIRIES 4.OFFERS"ATIONS 5.COUNTER—OFFERS 6.ORDERS AND THEIR FULFILMENTS 7.PAYMENT 8.PACKING AND TRANSPORTATION 9.L/C AMENDMENT AND ITS EXTENSION 10.CLAIMS AND THEIR SETTLEMENTS 11.TELEX AND FAX 12.DOCUMENTS 附录一:1990年国际贸易术语解释通则 附录二:外贸常用港口