森林的真正价值不能仅用板材英尺来衡量。

种一棵树最好的时间是20年前，其次是现在。

Collaboration across nations is key to solving the challenges of overfishing.

Becoming fearless isn't the point. That's impossible. It's learning how to control your fear, and how to be free from it.

人工智能的未来掌握在那些能够负责任地利用其潜力的人手中。