1. put off 推迟;阻止;延迟
We've had to put off our wedding until September.
我们只得把婚期推迟到九月
。2. year on year 与去年同期相比
Overall capacity is expected to be flat year on year.
总体库存水平预计与去年同期持平
。3. have access to... 接近;可以利用
Students must have access to good resources.
学生必须有机会使用好的资源
。4. in part 部分地;在某种程度上
Her success was due in part to luck.
她的成功在某种程度上是由于运气好
。