The true cost of coal isn't just in its price, but in how we manage its consequences.
煤炭的真正成本不仅在于价格，还在于我们如何管理其后果。
The health of our oceans is a mirror reflecting the health of our global economy.
"The world is full of obvious things which nobody by any chance ever observes."
发现的道路很少是一条直线。