beneficial adj.

VERBS be, prove Some alternative treatments may prove highly beneficial. | consider sth

ADV. extremely, highly, very | entirely, wholly | clearly | mutually The arrangement was mutually beneficial. | medically, socially

PREP. for I think it would be beneficial for each committee member to have a copy of the report. | to Exercise is extremely beneficial to health.

You can also check Google Dictionary: beneficial (English, 中文解释 )

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