填空题
As to terms of payment, we often require a confirmed and irrevocable L/C （） by draft at sight.
【参考答案】
available或payable
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相关考题
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填空题
The buyer should open a letter of credit with a bank （） to the seller. -
填空题
We will （） a sight draft on you on collection basis. -
单项选择题
（） , we discovered that the goods were inferior in quality to the sample.
A.After exam
B.On examination
C.When exam
D.Upon examining
