Impulse shopping, made all too easy on your phone-it remember products you scan (either a photo or barcode) so you can buy them later, too.

随意购物，让你的手机使一切变得超简单——它记住你所扫描的商品(不管是照片还是条码)，然后你也可以以后再买下它们。

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It's easy to think that the pressure to push prices downward was the only impulse that drove the success of travel on the web - but there have been other factors at work.

我们很容易想象出，降价的压力是推动在线旅游的动力——但还有其它因素在起作用。

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So the FM signals as an opportunity signals have the advantages of good performance of impulse compress, low system error of receiver and easy access.

因此，调频广播信号作为一种类随机发射信号，具较好脉冲压缩性能、接收机系统误差小而且容易获得的优点。

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Paying for items with a debit or credit card has removed the pain of handing over cash, which makes it easy to give in to impulse purchases and overspend.

FORBES: Smart Phones Helping Consumers Manage Their Money

Nor does the story of the Dutch Islamist, Mr Bouyeri, suggest any easy correlation between suffering and the impulse to crime.

ECONOMIST: Muslim extremism in Europe

Finally, it helps that books are quasi commodities -- there's no need to try them on before you buy -- and that they're small-ticket, impulse items that are easy to ship.

FORBES: Does Amazon.com really matter?