You can't just give up on something because it's hard.

监管框架应激励进步，而不仅仅是惩罚过去。

I think the best performances are the ones where you can see the actor thinking.

领导力在于让他人因你的存在而变得更好，并确保这种影响在你离开后依然持续。

煤炭行业是美国能源独立的支柱，已经持续了几代人。