1N-COUNT 出价人；投标人；竞标者 A bidder is someone who offers to pay a certain amount of money for something that is being sold. If you sell something to the highest bidder, you sell it to the person who offers the most money for it. 出价人；投标人；竞标者
The sale will be made to the highest bidder subject to a reserve price being attained.
只要达到了拍卖底价，标的物就会出售给出价最高的竞买人。
2N-COUNT 努力争取者；图谋者 A bidder for something is someone who is trying to obtain it or do it. 努力争取者；图谋者
...bidders for two licences to develop cellular telephone systems in Greece. [+ for]