The idea of a forward rate is that, implicit in that term structure is also a quote for the one-year rate, one year hence, because if you look at the two-year rate, can't you infer back what interest rates are going to be in one year?

远期利率隐含在期限结构中的,一年期利率报价,起息日是第二年初,因为如果你知道了两年即期利率,就可以很自然地推出一年即期利率

耶鲁公开课 - 金融市场课程节选