我们对系统做了一些小的调整。

We've made a few ___modifications to the system.

新的发动机需要对汽车的设计做一个小小的改动。

The new engine requires a minor ___modification to the car's design.

这项拟议的法律修改遭到了强烈的反对。

The proposed ___modification to the law was met with strong opposition.