任意性拍卖

【法】 voluntary auction

任意的英语翻译：

arbitrariness; at discretion; at will; random; voluntariness
【医】 ad lib.; ad libitum; random

拍卖的英语翻译：

auction; auctioneer; public sale; roup; sale; vendue
【经】 auction; auction sales; auctioneer; public sale; sale by auction
sell by auction