相关系数的可能误差不是可以从第一原理推导出来的东西，而是必须通过经验找到的。

Entrepreneurship is an adventure, and only those who dare to take risks can reap success.

Our ambition is to be the responsible energy major, and that means producing more energy with fewer emissions.

绝不是一种不理性的幻想：在未来的存在中，我们会把现在的存在视为一场梦。