For OCR, the developer is trying to machine-read the text in a printed receipt.

对于OCR，开发人员会尝试机器阅读一个打印收据上的文本。

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Some supermarkets use a special device that can "read" this code and automatically produce a receipt, and can store the information so that the shop-keeper can tell when his stock gets low.

有些超级市场使用一种特殊装置，可以“读出”这种暗码，并自动打出收据，而且可以把信息储存起来，使店主知道他的存货什么时候售完。

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At that point, Bribin You gives the sender the equivalent of a read-receipt.

FORBES: New Tool, Bribin You, Allows You To Bribe People To Read Your Email With Real Money