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预订 Animal Economics: Directly and Indirectly Accounting for Animal Welfare 动物经济学：动物福利的直接和间接核算: 97810
【3-4周达】Obliquity : Why our goals are best achieved indirectly [9781846682896]
【3-4周达】Obliquity: Why Our Goals Are Best Achieved Indirectly [9780143120551]
