Guillermo HurtadoNaturaleza Muerta (Still Life) Sebastian RödlThe Good – As It Is Comprehended in Practical Reasoning Guorong Yang天人共美——以“人”观之与以“天”观之的视域交融 (The Shared Beauty of Nature and Human Being: The Twofold Horizon of "The Perspective of Human Being" and "The Perspective of Nature" ) Peter SingerThe Moral Status of Animals and the Ethics of Our Treatment of Them