Reading books, in a non-ideal school, is often set for homework-a certain number of pages must be read and marked off on a book mark by the following day.

而在非理想的学校里，阅读经常作为家庭作业——要读完指定的页数并且第二天在书签上标识。

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An extraordinarily important study skill is knowing how to mark a book.

知道如何在书上做标记是一个非常重要的学习技巧。

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You shouldn't mark a book which isn't yours.

你不应该在别人的书上做记号。

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Zurzolo said it could be a while before another comic book sets a new mark, because only a few other comics have this type of value.

CNN: Rare comic of Superman debut fetches $1.5 million

"Wired for Culture, " a remarkable new book by Mark Pagel, an American evolutionary biologist based in England, sets out to explain this peculiar human property of fragmenting into mutually uncomprehending cultural groups.

WSJ: Matt Ridley on the Ideas in Mark Pagel's Wired for Culture | Mind & Matter

The blog, written by Patrick Conlon, Jason Nitti, Neel Williams and Adolfo Alcala, has now been released as a book, with illustrations by Mark Todd.

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