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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Mark Twain knew how to sell a book.

马克·吐温知道怎么推销自己的书。

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Mark LaFramboise is a book buyer for Politics and Prose.

VOA: special.2011.07.13

Mr Gove made his comments at an event to mark the launch of a book on under-achievement in England's schools.

BBC: Head challenges Michael Gove over 'defeatism' comment

In a conversation with Voted Up, Mark Bowden, the author a new book about the Bin Laden raid called The Finish, explained that his retelling would not be complete without the inclusion of the role played by Silicon Valley based tech companies and Twitter.

FORBES: Author of Book on Bin Laden Raid Says Tech, Social Media are Key Elements of Story

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