It would be an inexpensive (cheap enough to lose), always-on device with deep, hi-res color, e-ink, and a touchscreen.

它应该不贵(便宜到丢了也不可惜)，待机时间长，高分辨率，电子墨水，还有一个触摸屏。

youdao

LCD: This tech in e-readers is just like on your smartphone or monitor. It's color, high-contrast, and typically sports much better resolution than E-Ink.

这种技术就像用在你的智能手机或是显示屏上的一样，它有色彩和高对比度，还有它具代表性的就是比电子墨水拥有更高的分辨率。

youdao

While the Amazon Kindle’s E-Ink technology is black and white, the NookColor is – not surprisingly – full color, which provides vibrant magazine, photo and children’s book displays.

当亚马逊公司的Kindle拥有的只是黑白的E-ink屏幕时，NookColor阅读器装备的却是——顾名思义——全彩色的屏幕，使得其能显示充满活力的杂志，照片和儿童书籍。

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E-Ink enthusiasts will likely have to wait until 2009 for color E-ink and as late as 2012 for video, says Russ Wilcox, the chief executive of Cambridge, Mass.

FORBES: Breakthroughs

Remember Yotaphone, the twin-display Android smartphone (color LCD in front, e-ink in back)?

ENGADGET: Topic: Mobile