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。