We regret ______ to accept your terms of payment and therefore have to return the order to you.
B
暂无解析
We_______ifyoucouldgiveuswhateverinformationyoucaninthisrespect.
We have to point out that the postponement of the fulfillment of the contract ______ caused us certain expenses.
We _______ if you could give us whatever information you can in this respect.
We ____ some brochures ____ to illustrate the types of materials we manufacture.