Labor (2) Reality (2) Estudio (2) Realidad (2) Trabajo (2) Internet addiction (1) Computer sex (1) Origin (1) Weights and measures (1) Vision (1) Uncertainty (1) Thought and thinking (1) Research (1) Reason (1) Psychology (1) Political science (1) Perspective (1) Paper (1) Organization (1) Optics (1) Objectivity (1) Bai language (China) (1) Measurement (1) Logic (1) Intersubjectivity (1) Inference (1) Ideology (1) Free will and determinism (1) Education (1) Concepts (1)