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数学是一门活生生的学科,不断演变和发展。
The best fertilizer? A farmer's footsteps in the field.
君主节制自己的欲望,百姓就会富裕;评判诉讼公平准确,百姓就能安定。
The most successful modern states are those that have been able to combine a strong state with the rule of law and democratic accountability.