1、beneficial：形容词，意为有益的;有利的;有帮助的，侧重对健康、身心或事业有益。beneficial后面通常加for 或 to，构成搭配be beneficial for和be beneficial to。

2、beneficial的用法搭配：

（1）be beneficial for 对…有好处；

例句：Exercising regularly and eating reasonably is beneficial for your health.

定期锻炼并合理饮食对你的健康有好处。

（2）be beneficial to 有益于；

例句：I think a more thorough and objective discussion would be beneficial to the community as a whole.

我认为一种更为彻底和客观的讨论会对社区更为有益。