* benefit

n. 優勢，益處 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.

新規章對我們大家都會大有好處。

* beneficial

a. 有幫助的，有用的

* detrimental

a. 有害的，不利的

a drug that has a beneficial effect on the immune system

有益于免疫系統的一種藥物

Cycling is highly beneficial to health and the environment.

騎自行車對于身體和環境大有裨益。

* beneficiary

n. 受益者

The rich were the main beneficiaries of the tax cuts.

富人是這次減稅的主要受益者。

* bonus

n. 津貼，獎金，紅利

a ￡100 Christmas bonus

100 英鎊圣誕節獎金

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

能夠步行去上班是這份新工作額外的好處。