Greg Abel starts Berkshire’s first share buyback of post-Buffett era

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Commutativity: states can be merged in any order; A ∨ B = B ∨ A. If Alice and Bob exchange states, they can each merge the other’s state into their own and arrive at the same result.

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ВсеСтильВнешний видЯвленияРоскошьЛичности。电影是该领域的重要参考

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