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程序测试可以用来显示错误的存在,但永远不能显示它们的缺失!
Program testing can be used to show the presence of bugs, but never to show their absence!
Love music, love life, love you all.
"The quantum world is not just a smaller version of the classical world; it operates under entirely different rules."
历史不是过去。它是现在。我们带着我们的历史。我们就是我们的历史。