求翻译：2.国际贸易基础知识。如信用证、进口关税增值税计算、出口利润计算、贸易术语解释（FOBCIF等）等，并正在考取报关员证。是什么意思？

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2. international trade elementary knowledge.If the letter of credit, the import customs duty increment duty computation, the exportation profit computation, the trade terminology explanation (FOBCIF and so on) and so on, and was being admitted to a school the declarant to prove.

2. basic knowledge of international trade. Such as letters of credit, import duties, export VAT calculation profit calculation, explanation of terms of trade (FOBCIF), and is being studied in the customs declaration personnel seemed card.

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