in reserve

基本解释

That’s why I say use what you already have in reserve so that you know you can do better.
这就是我为什么说用那些你留着备用的东西，这样你会做得更好。
In addition, the changes make all forms of trading, particularly “prop” trading, more expensive by forcing banks to hold more capital in reserve to support the activity.
此外，新规定还迫使银行增加资本储备，以支持其活动，这使得各种类型的交易成本都有所提高，尤其是自营交易。
But for periods when imports temporarily exceeded exports, the country needed a stock of dollars or some other acceptable “hard” currency “in reserve” to pay for excess imports.
但当一个国家出现进口暂时超过出口的情况时，该国就需要美元储备或一些其它可接受的“硬通货”“储备”，以支付超额的进口。
blog.sina.com.cn

Federal Reserve Chairman Ben Bernanke sounded more hopeful as he appeared Tuesday before the Joint Economic Committee in Congress.
In the United States we have twelve Federal Reserve Banks but we have a Federal Open Market Committee.
在美国,我们有十二个联邦储备银行,但是我们有一个联邦公开市场委员会。
耶鲁公开课 - 金融市场课程节选
In the United States we did not have a central bank until 1913 when we created the Federal Reserve System.
在美国，我们直到1913年,创立了联邦储备银行制度。
耶鲁公开课 - 金融市场课程节选

Descendants of the cowboys he beat have disputed Baca's account of the fight in Reserve.
ECONOMIST: Latino heroes