健康的动物是健康食品链的基础。
A good chemist is a lazy chemist—always looking for the easiest way to do things.
Sustainability is not an option, it's an obligation to future generations.
强调在管理中提供背景信息而非直接控制。
The meaning of life is contained in every single expression of life. It is present in the infinity of forms and phenomena that exist in all of creation.
