From economics point of view, compulsory education and public libraries are the two pillars of social knowledge security system, which ensure the reproduction of social work forces.
论述了义务教育与公共图书馆是社会知识保障制度的两根支柱，保证了社会劳动力的再生产。
Knowledge of security and privacy, social networks, and human interaction are critical.
关于安全性、保密性、社交网络和人机交互的知识显得极为重要。
Knowledge of security and privacy, social networks, and human interaction are critical.
关于安全性、保密性、社交网络和人机交互的知识显得极为重要。
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