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

Buying them tends to push up the price; that tends to influence the yield down so it encourages a lower level of interest rate.

买进它们，导致价格上升；,导致参数降低,所以它鼓励一个低的利率水平。

耶鲁公开课 - 金融市场课程节选