benefit的形容词形式
benefit的形容词形式beneficial；
beneficialadj.有利的；有裨益的；有用的
It can be beneficial to share your feelings with someone you trust
向自己信任的人倾诉感情是很有益处的。
Walking is extremely beneficial to your body shape.
散步对于塑形非常有好处。
While a moderate amount of stress can be beneficial, too much stress can exhaust you.
适度的压力是有好处的，但是压力太大会把人压垮。