margin of error
noun/ˌmɑːdʒɪn əv ˈerə(r)/
/ˌmɑːrdʒɪn əv ˈerər/
[usually singular]- an amount that you allow when you calculate something, for the possibility that a number is not completely accurate
误差幅度 - The survey has a margin of error of 2.5 per cent.
测量的误差幅度为 2.5%。
- The survey has a margin of error of 2.5 per cent.