The 1981 book School, Work and Play (World of Tomorrow) features this beautiful two-page spread.

在1981年的书《学校、工作和嬉闹（明日世界）》里展开了这美丽的两页。

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What are some unique features of the methods of this book?

这本书中，这些独特的方法是甚么呢？

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What are some unique features of the methods of this book?

这本书中，这些独特的方法是甚么呢？

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