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过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。
The most important political development of the last half century has been the spread of liberal democracy around the world.
The labor market is more adaptable than traditional models assume.
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.
人类对气候影响的信号已经从自然变化的噪音中显现出来。
The act of remembering is an act of resistance.
The mind is a dynamic system that constantly adapts to its environment.