bonus是一个
英语单词，主要用作
名词，作名词时意思是“奖金，津贴，红利；意外收获，额外好处”等。
n. 奖金，津贴，红利；意外收获，额外好处
1.N-COUNT A bonus is an extra amount of money that is added to someone's pay, usually because they have worked very hard. 奖金
2.N-COUNT A bonus is something good that you get in addition to something else, and which you would not usually expect. 额外收获