Please confirm the quantity of printer paper we need before placing the order.

下訂單前，請確認我們需要的影印紙數量。

The supplier offers a discount if we purchase cartons in large quantities this quarter.

如果我們本季大量採購紙箱，供應商會提供折扣。

Our customer called to report that the quantity shipped did not match the invoice.

我們的客戶來電反映，出貨數量與發票上的不符。