We say he has a card up his sleeve.

VOA: special.2010.05.02

I'm using my credit card, I run up a debt that I can't handle.

然后靠信用卡来维持生活，结果负债累累，而我根本还不起。

斯坦福公开课 - 经济学课程节选

Would you go to the ticket window and use your credit card to pick up the tickets or would you just walk away in anger and annoyance?

你会去购票窗口,用你的信用卡再买票吗,还是带着烦闹愤怒而走掉呢？

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So, when we were building Square, we realized that, "Wow! The receipt is something that has never really been designed or looked at. I go up to a coffee store and I hand them my credit card. I say, "I want a cappuccino." I hand them my credit card.

所以当我们建起Square时，我们意识到，“哇！这种入款方式是从未被设计和,看过的，我去咖啡店,拿出信用卡，说，“我要一杯卡布奇诺，“，我把信用卡递给他们。

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