Alcorn at Atari would sell them chips only if they paid cash up front.

雅达利的奥尔康愿意卖给他们芯片，但必须预付现金。

I need cash up front. - We got a deal.

先给钱 -成交。

One of the hoops is that the U.S. can not extend credit to Cuba. The Cubans have to pay in cash, up front.

其中一个障碍就是，美国不能向古巴提供借贷，古巴人必须提前现金支付。