premium

payment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the military

（特别是）对罪犯、害掠食动物或参军等行为的报酬

bounty

a prize, bonus, or award given as an inducement to purchase products, enter competitions initiated by business interests, etc.

奖励作为购买产品、参加由商业利益发起的竞赛等的诱因而给予的奖品、奖金或奖励。

they encouraged customers with a premium for loyal patro

他们以忠诚的顾客为奖励鼓励顾客

payment for insurance

保险费

insurance premium

a fee charged for exchanging currencies

兑换货币收取的费用

agio

agiotage

exchange premium

the amount that something in scarce supply is valued above its nominal value

稀缺物品价值高于其名义价值的数量

they paid a premium for access to water

他们付了水的使用费

having or reflecting superior quality or value

具有或反映出更高的质量或价值

premium gasoline at a premium price

高价汽油