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法律与道德的区别是法律哲学中的一个基本问题。
Climate change is the greatest challenge our industry has ever faced, but also our greatest opportunity.
The rule of recognition is the ultimate rule in a legal system, which identifies the criteria for valid law.
色散理论是连接量子力学的抽象形式与我们观察到的具体现象之间的桥梁。