求翻译：外贸方面在校期间曾学校国际贸易，商务函电与金融，曾在老师指导下模拟实际的外贸程序，有较好效果。会制作发票，装箱单，提单等等单证.是什么意思？

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Foreign trade aspect in school period once the school international trade, the commercial letters and telegrams and the finance, once under the instruction simulated the actual foreign trade procedure in teacher, had the good effect.Can manufacture the receipt, the packing list, the bill of lading a

Externally in the school during the school international trading, financial and business correspondence, simulating actual foreign trade procedures under the guidance of the teacher, a better effect. Production of invoices, packing lists, bills of lading, and more documents.