506. We require full payment within 45 days with a 15% discount for cash payment in advance.

    我方要求在45天內(nèi)付清所有貨款，如果預付現(xiàn)金則享有15%的折扣。

    507. The total amount mush be paid in full upon receipt of the shipping documents.

    一收到貨運單據(jù)，貨款必須全數(shù)一次付清。

    508. We require payment by L/C to reach us one month prior to the time of shipment.

    我們要求貨款以裝運期前一個月抵達我方的信用證支付。

    509. You are requested to pay $5，000 as a down payment.

    我方要求貴方支付5000美元作為定金。

    510. Ten percent of the contract value shall be paid in advance by cash， and 90% by sight draft drawn under an L/C.

    合同金額的10%應預付現(xiàn)金，而其余90%憑信用證開出即期匯票支付。