The key to credible causal inference is not just the method, but how well the method fits the question at hand.
Every challenge in energy production is an opportunity to innovate and improve.
The rules of survival never change, whether you’re in a desert or in an arena.
"You can't change the past, but you can change the meaning of the past."
我们不是环境的受害者,而是自己决定的产物。