1.young years 年轻时光

2.year yield 年产量

例句1：Looking back at my younger years。回首我年轻的时候。

例句2.Japan’s central bank offered to buy an unlimited amount of government bonds, an intervention designed to protect its 0.25% cap on Japan’s ten-year yield.

日本央行提出无限量购买政府债券，此举旨在保护日本10年期国债0.25%的收益率上限。