Next, you will need a book with background paper, scissors and glue.

接下来，你需要一本有背景纸的书，剪刀和胶水。

youdao

Close your book and write one word or two on a piece of paper.

合上你的书，在纸上写下一两个字。

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Devices like Kindle make reading more convenient and are a lot more environmentally friendly than the traditional paper book.

像 Kindle 这样的设备使得阅读更方便，并比传统纸质书环保得多。

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He has also developed special kinds of paper to help people who work in the art and book industries.

VOA: special.2009.10.02

In the late nineteen thirties, he started to collect small pieces of paper including food paper packaging, paper cups and book pages.

VOA: special.2010.04.14

If the same book is available in paper and paperless form, Amazon says, forty per cent of its customers order the electronic version.

NEWYORKER: Publish or Perish

I'm often accused of being a Luddite -- mostly based on my fervent and affectionate clinging to several physical objects that are quickly becoming cultural artifacts: the ink pen, the paper book, and the vinyl record -- but those items haven't been the only 'evidence' my accusers have historically cited.

ENGADGET: Book Review: You Are Not a Gadget Alt

In a 1952 paper and 1959 book, Portfolio Selection, future Nobel laureate Harry Markowitz expounded MPT for the investment world.

FORBES: Is Modern Portfolio Theory Out-of-Date?