My mother was so touched by her gesture that she decided to go back to the store and give the cashier a five-dollar bill to keep on hand in case the same happened to someone else if they didn't have enough money for all of their groceries.
我母亲被她的举动感动了，她决定回到店里，给收银员一张五美元的钞票，让他放在手边，以防别人在没有足够的钱支付所购买的东西时发生同样的情况。
The way we buy electricity today is like going to a store without seeing prices: we pick what we want, and receive an unintelligible bill at the end of the month.
我们今天用电的方式就好像我们进到一个商店里却看不到价位：我们选取我们想要的东西，在月底却收到一张莫名其妙的账单。
As Bill Shope, an equity analyst at JPMorgan, puts it, the music store is a "loss leader" that serves only to boost sales of the iPod. It is as if record stores existed only to sell record players.
正如摩根大通的一位权益分析师Bill Shope认为的，音乐商店仅仅是为促进iPod销售的廉价商品，仿佛唱片店的存在就是为了销售唱片播放机。
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