有利於用英語怎麼表達

　　例句：

　　You need people working for the benefit of the community.

　　你需要一些為公眾利益服務的人。

　　People would benefit greatly from a pollution-free vehicle.

　　人們將極大地受益於無汙染汽車。

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

　　國家會得到一些利益，不管有多少。