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Everything in the world exists to end up in a book.

作為一名保護者，父母可通過擁抱與孩子接觸。

The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world.

量子計算的力量來自于以經典計算機無法做到的方式操縱量子態的能力。