“拍卖人”用英语怎么说？

本森悄悄地向拍卖人做了个手势,然后把出价又抬高了1000美元.Benson signaled the auctioneer quietly and kicked the bid up another thousand dollars.遇到无销路时, 拍卖人必须向观众明确表示他已经买回自己送去的拍卖品.An auctioneer, at the moment of non - sale, should be required to sta...