However, one can also be aware of the book itself, of its constitution as made up out of pages that can be turned, of the printed words and of the ink, of the fabric of the paper, etc.

然而，你也可以意识到书籍本身，意识到它的结构——它是由可以翻动的书页组成的，意识到印刷的字体和墨水，纸张的质地，等等。

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In OneNote, at least, the pen seems to be aware of what you mean to erase: after drawing an Engadget logo in blue ink, we started to erase it and after a few swipes, the whole thing disappeared from the screen.

ENGADGET: Microsoft Surface Pro hands-on Hands-on