当你复习的时候，这些打印资料也比显示器上的更便于阅读。

These printouts are also easier to read than the screen when you work on revisions.

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但是一般限制为80个字符，这容易适合大多数显示器的一个打印页面。

But common sense implies a limit of 80 characters, which fits easily on a printed page on most monitors. There are several ways to spread a code statement over more than one line.

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过去，针对零售商的店内技术包括传统的前端销售点（即收银机）、关联的收据打印机、扫描仪和显示器。

In the past, the in-store technology focus for retailers included the traditional front-end point of sale (that is, cash register), associated receipt printers, scanners, and displays.

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