If you buy three bottles, the bottle price comes down to $10.

如果你买3瓶的话，每瓶价格就降为10美元。

《柯林斯英汉双解大词典》

We'll buy everything you produce, provided of course the price is right.

当然了，倘若价格合适，我们将采购你们的全部产品。

《牛津词典》

This was still a good buy even at the higher price.

即便价格再高些，这仍买得合算。

《柯林斯英汉双解大词典》

Every time the farmers buy seeds, fertilizer or other inputs, they pay an extra five percent in addition to the price.

VOA: special.2010.05.11

They'll buy stocks because they think price is going to go up and make them a lot of money.

购买股票,是因为他们认为股价会上升,从而可以赚很多钱

耶鲁公开课 - 金融市场课程节选

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

ISE's system will match orders at the midpoint of the National Best Bid and Offer, which is the current quote system traders use to price buy and sell orders.

FORBES: A New Kind Of Exchange

Rebalancing selling one asset that has gone up in price to buy another that has gone down does tend to raise returns over time.

WSJ: The Intelligent Investor: Think Twice Before You Buy on the Dips

Important: Make sure you have specific price limits on the price to buy the stocks when the market gasps and drags them down.

FORBES: Lessons From The Aborted Fiscal Cliff Drop And Seven Stocks For The Next Doomsday Debt-Ceiling Scenario