(1)for the benefit of 为了……；为……的利益
be of benefit to 对……有益
(2)benefit sb． 对某人有益
benefit from/by．．． 从……受益，得益于
(3)beneficial adj． 有利的；有益的
be beneficial to 对……有益；对……有利
①China has been reforming public hospitals for the benefit of all people．
为了所有人的利益，中国一直在进行公立医院的改革。
②Plenty of exercise every day is of great benefit to our health．＝Plenty of exercise every day is__very__beneficial__to our health． 每天做适量的运动对我们的健康很有好处。
③It has been two weeks since you came to our school for the exchange program, which has__benefited (benefit) all of us．
自从你来我校参加这次交流活动已有两周了，这次活动使我们双方都受益。
④It is known to us all that our eyes can benefit from doing eye exercises． 众所周知，做眼保健操有益于我们的眼睛。
