The most sustainable forest is one that's valued by the community that depends on it.
煤炭使美国在世界范围内保持竞争力。
她走在美的光彩中，像夜晚
译文：进入山中不怕那伤人的老虎，只怕人世间两面三刀之人。赏析：世事难测，人心险恶，我们要防范身边那些口是心非，笑里藏刀，口蜜腹剑，阳奉阴违之人。
我们正处于一场关于如何理解和管理我们健康的革命的开端。
In mathematics, the journey of discovery is as important as the destination.
The environment is not a mosaic of stimuli, but a field of forces in which every part is dynamically related to every other part.
你的能量水平越高，你的身体就越高效。你的身体越高效，你感觉越好，你就越会利用你的才能产生出色的结果。