结构推理
You've received a request to be a reference for Spenee-Crane Company, and you're required to provide some information about their creditworthiness and reputation． However, your experience with them has been unsatisfactory just because they are not prompt in payment． So, you have to write an unfavorable reply to request for their credit information．
【正确答案】Dear Sirs, We are sorry to say that we cannot vouch for the reliability of Spencer Crane Company． Our own experience with them has not been satisfactory． During the three years Spence-Crane have been on our books, they have repeatedly failed to meet their obligations on time; and they have caused us much trouble with regard to payment． Right now they own us $ 3185 for purchases made over a period of a year． We give you this information in confidence, in the hope it will be helpful to you． Sincerely yours,