So he has been working on trying to find other tools of monetary policy.

所以，他一直在寻求找到,货币政策的其他工具。

耶鲁公开课 - 金融市场课程节选

So that will be the monetary policy tool.

所以，这将会是货币政策的工具。

耶鲁公开课 - 金融市场课程节选

There are not only debt instruments that are payable in currency, but there are also indexed debt instruments that are indexed to the price level so that they give real interest rates.

债券工具,不仅仅是可以支付的货币手段,还是指数利率工具,以指数的形式表达债券的价格水平,显示出实际利率

耶鲁公开课 - 金融市场课程节选