影响很小的英文

比较多， 像influence（名词动词均可）， effect（名词）， affect（动词）， impact（名词动词均可）， 最常用的还是influence。

His influence has very few!

effect, impact, influence, to affect

He has very little influence (后面加on，还可以说明影响对象 不加也可以独立成句嗯...limited...修饰影响力比较少见 个人意见 楼主自己考虑

Little effect

This change has minimal effects on the system.The customers do not need to change their operation habit.

第一句：The influence of the changes on the system is minimal。第二句：Users don't need to change their operating habits

His influence is limited.

Such change has the minimum effect on the system.Users do not need to change their operation habits.