若贵方能早日作答复，则感幸甚。

Your early reply would be very much appreciated.

若蒙告知贵商品完整的详情，则感幸甚。

We should appreciate full particulars of your merchandise.

——若蒙报予此订购数量，以现金付款时，可依表列价格提供的最优惠折扣减价额，则感幸甚。

We shall be glad if you will quote us the best discount for cash off list price for this quantity.