Creative calendar allows you to scratch off days that passed.

创意日历，可以过完一条就刮掉一天。

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They wanted to shrug off 20 years of accumulated software history (what the information technology industry calls the "legacy") by building an OS and browser from scratch.

他们想从头开始开发操作系统和浏览器，来摆脱堆积了20年的软件历史（即IT行业所谓的“遗产”）。

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People buying medicine scratch off a panel attached to the packaging. This reveals a code, which they can text to a computer system that looks it up in a database.

人们买药时撕掉贴在包装上的一个标签，就会得到一串码，然后通过短信形式把它发送到一个计算机系统，通过这个系统可以在数据库中查询到相关信息。

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Under Mr Simons' scheme, which is being implemented in Nigeria and Ghana, a scratch-off panel on the packaging reveals a code which can be texted to a special number to verify that the drugs are genuine.

ECONOMIST: Beyond voice

But for customers who want something truly special, 3x1 will create a one-off trouser completely from scratch.

FORBES: Magazine Article

Scratch off those hard to find and expensive items like Wii gaming consoles and big flat-panel screens.

FORBES: Magazine Article