【单选题】Auctions are public sales of goods, conducted by an officially approved auctioneer. He asks the crowd assembled in the auction-mom to make offers, or 'bids', for the various items on sale. He encourag...
【单选题】Auctions are public sales of goods, conducted by an officially approved auctioneer. He asked the crowd assembled in the auction - room to make offers, or bids, for the various items on sale. He encour...