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生活的習慣塑造靈魂，靈魂塑造面容。

The computer is the most remarkable tool that we've ever come up with. It's the equivalent of a bicycle for our minds.

States are rational actors that seek to maximize their power and security in an anarchic international system.

模型檢查是驗證有限狀態(tài)并發(fā)系統(tǒng)正確性的強大技術。