When you’re thinking about a fuzzy concept, thinking about a synonym for that concept clarifies the boundaries of the concept.

  • Some people hear the term “selective married couples” and for some reason focus only on the “married couples” part.

    • You misunderstand the axis of the debate.
    • To such people, the axis is clarified by showing them the counterpart between “selective and compulsory conjugal surnames”.
  • The concept of “multiple jobs” is not quite clear to me.

    • Single job vs. multiple jobs, “main job vs. side job,” “dual job vs. full-time job.”
  • Concept of “comfort zone - Comfort zone and panic zone


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