商务英文催款函范文

外贸英语函电催款函典型句型 (1)The following items totaling $4000 are still open on your account.你的欠款总计为4000美元。(2)It is now several weeks since we sent you our first invoice and we have not yet received your payment.我们的第一份发票已经寄出有好几周了，但我们尚未收到...