To understand psychology, observe behavior in its natural context.
要理解心理学,就要在自然环境中观察行为。
Sustainability is the only path forward for livestock farming—there is no alternative.
当传统方法与现代责任相结合时,它们就会变得具有革命性。
采矿的未来在于平衡经济增长与环境管理。
The past is never dead; it is not even past.