“美‘斩杀线’：从社会托底到个人兜底”这一说法，是对美国社会保障体系演变趋势的一种形象化概括。所谓“斩杀线”，并非字面意义的暴力行为，而是指在福利削减、公共支持弱化背景下，个体被迫独自承担原本应由社会共同分担的风险与成本。过去几十年，美国逐步减少对低收入群体、失业者、老年人等弱势人群的制度性保障，转而强调个人责任与市场机制。这种转变使得原本由政府或社会提供的“托底”功能逐渐消失，取而代之的是个体必须通过储蓄、保险、家庭支持等方式实现“自我兜底”。其后果是贫富差距扩大、社会流动性下降，以及大量民众在遭遇疾病、失业或经济危机时陷入困境。该概念揭示了新自由主义政策下社会安全网的瓦解，也警示我们：当一个社会将风险完全转嫁给个体，所谓的“自由”可能只是脆弱性的另一种表述。
The phrase ‘America’s “Kill Floor”: From Social Safety Net to Individual Bottom Line’ is a vivid metaphor describing the evolving trajectory of the U.S. social welfare system. The term ‘kill floor’—not implying literal violence—refers to the growing vulnerability individuals face as public support and welfare provisions are systematically eroded, forcing people to shoulder risks and costs that were once collectively borne by society. Over recent decades, the U.S. has steadily reduced institutional safeguards for vulnerable groups such as low-income earners, the unemployed, and the elderly, shifting emphasis toward personal responsibility and market-driven solutions. As a result, the traditional societal safety net has weakened, compelling individuals to rely on personal savings, private insurance, or family support to ‘self-insure’ against life’s uncertainties. This shift has exacerbated income inequality, diminished social mobility, and left many Americans exposed during health crises, job loss, or economic downturns. The concept underscores how neoliberal policies have dismantled collective protections and serves as a warning: when a society offloads systemic risk onto individuals, so-called ‘freedom’ may simply be another word for fragility.
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