可持续发展不再是可选项;它是任何希望长期繁荣的企业的必需品。
一位哥伦比亚大学的学生问到巴菲特关于投资美国航空的原因,他说
I'm a very private person. I don't like to talk about my personal life.
We are all made of star-stuff, and through physics, we seek to understand our origins.