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引力比其他力弱得多这一事实可能是物理学中最深刻的谜团。
未来的工作必须是包容的,否则它将无法充分发挥人力资本的潜力。
The first man who, having fenced in a piece of land, said 'This is mine,' and found people naïve enough to believe him, that man was the true founder of civil society.