* benefit

n. 优势，益处 v. 得益于，受益于

I've had the benefit of a good education.

我得益于良好的教育。

The new regulations will be of great benefit to us all.

新规章对我们大家都会大有好处。

* beneficial

a. 有帮助的，有用的

* detrimental

a. 有害的，不利的

a drug that has a beneficial effect on the immune system

有益于免疫系统的一种药物

Cycling is highly beneficial to health and the environment.

骑自行车对于身体和环境大有裨益。

* beneficiary

n. 受益者

The rich were the main beneficiaries of the tax cuts.

富人是这次减税的主要受益者。

* bonus

n. 津贴，奖金，红利

a ￡100 Christmas bonus

100 英镑圣诞节奖金

Being able to walk to work is an added bonus of the new job.

能够步行去上班是这份新工作额外的好处。