As we look back on how essential animals are to human survival; our absolute dependence on them (for companionship ... food clothing sport and entertainment as well as medical and scientific research), ironically ... we only see mankind's complete disrespect for these non-human providers.
Cando analizamos en que medida os animais son esenciais para a supervivencia humana, a nosa dependencia completa deles, para compañía, alimentación, vestiario, deporte e lecer, así como a investigación médica e científica,