For example, in London drivers can scan a QR code upon entering a parking garage and will be prompted to enter payment information through their mobile phones.

例如，在伦敦的驱动程序，可以扫描QR码进入一个车库时，将提示您输入付款信息通过自己的手机。

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Wanna test your learning?Then have a try on the lip-synching game after scan the QR-Code below!

这里有一个检验学习成果的机会。扫描下方二维码接受挑战吧！

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By contrast, payment with Alipay or WeChat is much more streamlined and requires only the scan of a QR code from a retailer's point-of-service terminal or a smartphone.

相比之下，用支付宝或微信进行支付要简单得多，只需要从零售商服务点终端或智能手机扫描一下二维码即可。

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People scan a QR code with their smartphone and it redirects them to a web address.

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They could click on a link, scan a QR Code, or even scan an NFC tag containing a link to the malicious website.

FORBES: Move up http://i.forbesimg.com t Move down

Giving the consumer an option to scan a QR code which leads them to a website that is not optimized for the device they use to scan it is like sending someone with a broken arm in to get a full-body physical.

FORBES: Why QR Codes Don't Work