translation.en: Now, presumably, every animal assumes that its umwelt is the entire objective reality out there, because why would you ever stop to imagine that there's something beyond what we can sense.
translation.zh: 也许每一种动物都假设， 它的“环境”就是整个客观现实， 因为很难想象， 在我们能感受到的对象之外 还有其他存在。