beneficial
constructive【导航词义:有益的】
beneficial adj. 有益的,有利的,有帮助的
〔辨析〕指经济上或身心健康方面有益的,通常后接介词 to。
〔例证〕
The newly issued regulations are beneficial to people with lower incomes.
新发布的规定对低收入人群有利。
Climbing is beneficial to health.
登山对健康有益。
One or two glasses of wine a day can be beneficial.
每天喝一两杯葡萄酒会对身体有好处。
constructive adj. 建设性的
〔辨析〕强调对促进改善或发展有积极作用的。
〔例证〕
a constructive suggestion
一条建设性意见
The discussion was very constructive.
这次商谈很有建设性。
She criticized my writing in a way that was very constructive.
她用一种非常建设性的方式批评了我的作品。
If you don't have anything constructive to say, I'd rather you kept quiet.
要是你没有什么有用的话要说,最好保持安静。