It is a little bigger than a schoolbook. It has several buttons and a display screen for reading.

它比普通的课本稍大一点，有几个操作按钮和供阅读的显示屏。

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'Your plays are very clever, Ben,' Richard Burbage said, 'but they smell of the schoolbook, don't they, Will?'

“本，你创作的剧本确实很妙，”理查·白贝芝说，“不过太书卷气，威尔，你说呢？”

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Traditional schoolbook says inflation will cause devaluation.

传统的教科书说通货膨胀将导致货币贬值。

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For most people in poor countries, he thinks, mobile phones are fast becoming the main communications tool, schoolbook, vaccination record, family album and many other things.

ECONOMIST: When everybody becomes a nomadic monitor