If you're a dealer, you've got to keep your bid-ask at market; otherwise, you'll get only one side or the other, right?

如果你是中间商,你的出价必须与市场一致,否则就只能拆东补西

耶鲁公开课 - 金融市场课程节选

Making a bid really clear and interesting helps to persuade the customer that your bid is the best.

BBC: NEWS | Programmes | Working Lunch | Bidding for gold

In order to bid, you have to have with you a cashier's check or certified check for 10 percent of your bid.

NPR: Housing Auctions Surge as Foreclosures Mount

It's been three months since you launched your bid for Yahoo!

FORBES