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有这样一个故事:一个顶级的开锁专家,自以为任何锁都能开,于是有人对他说,这儿有一把世界上最好的锁,没有钥匙,无论如何也打不开。开锁专家不屑一
There is such a story: A top-level unlocking expert thinks that any lock can be opened, so someone said to him that there is one of the best locks in the world. There is no key and it cannot be opened anyway. Unlocking experts disdain one