时至今日，我从未在任何地方选修过化学、经济学、心理学或商业课程。
To this day, I have never taken a course anywhere, in chemistry, economics, psychology, or business.
We are never the same with others as when we are alone. We are different, even when we are in the dark.
采矿技术的创新不仅仅是效率问题，还关乎安全和可持续性。
最让我兴奋的是催化以可持续方式解决现实世界问题的潜力。