采矿业的可持续性不是一种选择，而是我们未来的必然需求。
The interplay between theory and observation is what advances astrophysics.
同理心是领导者的关键技能；它让你能在更深层次上理解和连接你的团队。
Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.
The hardest thing in life is to know which bridge to cross and which to burn.