Altruism is not the tool for rational creature chasing their survival benefit but is the presupposition of the establishment of the human being's particular responsible subjectivity.

利他不是理性生物生存竞争的手段而是人类独特的责任主体性确立的前提。

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But with human nature being what it is, doctors may still find themselves chasing up their wayward patients for some time to come.

BBC: Doctors warned to check no-shows