The study of consciousness must be free from all metaphysical influences.
It's a terrible thing to be alone—yes it is—but it's also terrible to be with people and still feel alone.
教育是实现可持续捕捞和养殖实践的第一步。
绘画是探索可见与不可见之界限的行为。
能源的未来是低碳的,天然气将发挥重要的过渡作用。