读完一本书可能是100分钟，一部电影。

这10个大脑思维互动，

大概是10分钟，两首歌。除非你听的是歌剧（：

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It'll take you 100mins to finish a book, or a movie.

here are 10 fun quests that you can play with your brain.

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it'll take you 10 mins, 2 songs. unless you listen to opera (: