pay down   (TTS發音)

1. pay in cash；pay on the spot付現款；當場支付

    She pdid the money down and took the goods. 她當場付了錢，並取走了貨物。

2. pay（part of the purchase price）at the time of purchase as a deposit 先支付（部分貨款）

    How much did you have to pay down on the car？你買這部汽車得先付多少貨款？

    You pay down only ten dollars and then you pay five dollars a month for eight months. 你只需先付10美元，然後分8個月每月付5美元。