固定收益投資
fixed income investments
指報酬率為固定的投資。當在通貨膨脹時期，由於債券的本息固定，但物價卻上漲，因此投資者的購買力會不如預期來的高。
It refers to the rate of return on fixed investment. When inflation, the bond principal and interest due is fixed, but the price has gone up, so investors purchasing power will be higher than expected.