what is an irrevocable letter of credit?用英文回答
which elements are usually included in an export license?
why are written documents very important?
what is a clean bill of lading?
都是用英文作答上面问题 急
人气：415 ℃ 时间：2020-06-02 01:16:23
解答
An irrevocable letter of credit,only theoretically indeed is not directly,but actually it is completely can use an indirect method to undo
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