运退黄金失色，时来铁也生光。
释义：当运气不好的时候，即便是金子也会失去光辉；而好运来临时，即使是铁也会显得光彩夺目。
The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
Sustainability must be at the core of every decision we make in the oil and gas industry.
美本身不是目的，而是问题完美解决的结果。