如果你想要购买这张画，那么请你写下你的名字和出价。

If you want this picture, please write your name and your prise.

youdao

由此获得的讯息可以极大地区分这样一个家庭中成员的活动和出价的不同。

That information can make a big difference in the campaigns and offers made to members of such a household.

youdao

The difference between bid and ask is the profit for the dealer and the bid-ask spread is the profit for the dealer.

中间商的利润来自出价和要价的差别,差价就是中间商的利润

耶鲁公开课 - 金融市场课程节选