President Medvedev says Russia will devote considerable resources to develop and purchase new weapons, despite a tight national budget affected by the declining price of Russian oil exports.

VOA: standard.2009.03.20

They subtract this from the purchase price of the house and then you've got the cash to go and buy another house.

他们从售房价格里减去这个贷款余额,然后你就可以得到现金去买另一个房子

耶鲁公开课 - 金融市场课程节选

The dealer will charge a higher price for you to buy the furniture than will give to you to purchase the furniture from you; that's how the dealer makes a difference.

中间商给你的报价,会比向你收购同样家具的开价高,这就是中间商如何赚取差价

耶鲁公开课 - 金融市场课程节选