【摘要】自学考试《外贸函电》写作练习题带答案 Dear Sirs, The instructions from Browning &Sons, received through our Hong Kong office, we have opened an letter of credit$59,900 in your, valid until 30 November next. You have authority to draw on us at 60 days this credit for the amount of you invoice upon shipment of 2000 tons of Steels to Browning & Sons. Your must be aompanied by the following documents, which are to be