If you want to understand function, study structure.
如果你想理解功能,就研究结构。
真正的挑战是让复杂的东西看起来简单。
Policy alone won’t save our forests—it takes action from individuals, businesses, and governments.
释义:即使家庭贫困,也要保留读书的希望;即使生活富裕,也不能忘记劳动的艰辛。