问题描述：
英语翻译
why is payment by "irrevocable LOC" used in international trade and what does LOC signify with regard to international business law.
这句话的中文意思.最好有有关的文献
why is payment by "irrevocable LOC" used in international trade and what does LOC signify with regard to international business law.
这句话的中文意思.最好有有关的文献
问题解答：
我来补答展开全文阅读