有利于用英语怎么表达

例句：

You need people working for the benefit of the community.

你需要一些为公众利益服务的人。

People would benefit greatly from a pollution-free vehicle.

人们将极大地受益于无污染汽车。

There would be some benefit, however indirect, to the state.

国家会得到一些利益，不管有多少。