同比的英文：
on year-on-year basis
compared with the same period of last year

用以说明本期发展水平与去年同期发展水平对比而达到的相对发展速度。

He buddied around with the older guys.
他像伙伴似的同比他年长的人交往。

The pantry scrambled to feed 5,000 new families over the past 12 months, up almost 70 percent from 3,000 the year before
在过去12个月中，该食物分发处匆匆忙忙地给最近12个月新增的5000个家庭分发了食物，去年是3000个家庭，同比增长近70

It gave a basis for reasoning.
这为推理提供了依据。

Sweeps are conducted on a monthly basis.
搜查每个月进行一次。

These workers are paid on a daily basis.
这些工人领的是日薪。