year-on-year是什么意思：adj.与上年同期数字相比的；

 

　　year-on-year的例句和用法

 

　　Exports were up by 22.9% year-on-year, although that reflects the economic recovery and marked a slowing in growth from September.
　　出口则以相比去年22.9%的幅度增长，虽然这只是反映了经济的复苏并且增长自九月有所减缓。