Pen Drive

基本解释

Booting from a USB pen drive (if your workstation supports it)
从 USB 笔式驱动器引导这个系统（如果工作站可以支持这种方式）
The design scheme for display operating, the application of memory technology, the design ideas for CRT drive circuit and light pen input system have been given.
给出了系统设计方案，其存储器技术的应用以及CRT驱动电路与光笔输入系统设计思想。
Booting from a CD is fairly straightforward, and since booting from a USB pen drive appears to be the most enticing, I will assume that most adventurers will want to use DSL in this way.
从 CD 上引导非常简单，但是由于从 USB 笔式驱动器上引导看起来非常吸引人，因此我们就假设大部分探险家都希望采用这种方式来使用 DSL。

Whoever becomes president after November 6th can, with the stroke of a pen, drive the price of oil down.
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There are many details that will then drive your pen to design the product correctly.
FORBES: How To Design Watches That Everyone Wants