我们站在巨人的肩膀上,他们首先将地球想象为一个动态系统。
艺术是对冷漠的解药。
You can't change your elephant by direct force, but you can train it over time.
Economic inequality is not just a moral issue; it’s an economic one as well.
森林的真正价值不能仅用板材英尺来衡量。