一种符合帕累托最优标准：由于共同体做出一致决定 — — 或至少遵守保护少数全体的规则 — — 因此能够实施让一些或所有成员都获益、同时不会让任何人受损的措施。
One fulfills the criterion of Pareto optimality: because the community makes decisions unanimously – or, at least, adhering to rules that protect minorities – it implements measures that provide advantages to some or all members and create disadvantages for none.