Public Transit Etiquette as Social Contract: Unwritten Rules in Dense Urban Systems

日常交际场景延展阅读·独立成篇（2026-D024）

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Riding packed subways or buses tests collective self-regulation far more than individual courtesy—a dense transit system functions only through distributed restraint.
Volume control on phones isn’t about noise alone; it’s a proxy for respecting others’ cognitive bandwidth in involuntary proximity.

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