It's enough to convince runners to spend hundreds of dollars on tricked-out running shoes that promise to protect their tired trotters.

所以用这个理由用来说服常跑步的人买名贵的跑步鞋来保护他们“疲劳的蹄子”听起来也很充分。

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Americans spend a lot of money buying meals, supplements and products that promise to help them lose weight, whether it's through a diet program or an impulse buy.

在这里输入译文美国人花很多的钱买哪些声称可以帮助他们减少体重的食品，保健品和产品，有的是通过减肥的课程，有的则是冲动性购物。

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Hence, they'll spend thousands of dollars on career-marketing firms that promise to find them jobs. After paying the money, these executives often find the firms don't deliver.

因此，他们会花数千块通过猎头公司找工作，但这些钱通常都是打了水漂。

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In fact, with the firm prospering, Dalio has been living up to a promise to spend a bit more time away from it, and he has ceded some day-to-day management responsibility to Jensen and McCormick.

NEWYORKER: Mastering the Machine

The plan, apart from the government's promise to spend a little money, contained nothing that was not already known or predictable.

ECONOMIST: The single currency

Mr Berlusconi's Forza Italia (Let's go, Italy) and its allies on the right also promise to spend a lot more on public works: this brings back fond memories.

ECONOMIST: Italy