They just have to keep at it, you know,see what they can do."

VOA: standard.2010.02.15

It says that you have to keep deposits with us here at the central bank; either that or else keep vault cash and show that you have it as reserves for your deposits.

它声明你必须在中央银行这里,付保证金；,要不那样做，要不就在金库中存钱,并且表明你把它作为,存款中的储备金。

耶鲁公开课 - 金融市场课程节选

It's just hard to keep track of them at first but they all generally mean the same thing, provide additional input to this program called GCC by just specifying it on the command line.

刚开始是很难理解这些词的,但其实都是一个意思，所以，只要在命令行上为这个程序,再添加一个名曰GCC的输入就OK啦。

哈佛公开课 - 计算机科学课程节选