The key to successful livestock farming lies in balancing productivity with animal welfare.

The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.

界限定义了我们的身份。它们定义了什么是“我”，什么不是“我”。界限显示了我结束的地方和他人开始的地方，引导我拥有一种所有权感。