We were quite disappointed that this well-engineered Unit failed to perform as we hoped it would, if you have a model with similar features that would work in our offices, give me acall. Otherwise,please authorize the return of these units and refundthe purchaseprice of $ 519. 45 (see enclosed invoice).
【正确答案】：我们对这种制作精密的产品的表现未能达到我们所愿感到非常失望。如果你们有适合我们办公室的，有同样功能的型号产品，请电话联系我。否则，请批准做退货处理并退还购货款 519.45 美元（见附寄发票）。
