The future of steel lies in its ability to adapt to a low-carbon economy.
钢铁的未来在于其适应低碳经济的能力。
我只知道自己一无所知。
We are all leaves on the great tree of evolution.
The snake has to shed his skin before he can grow.
真相是，我们都在等待别人告诉我们自己是谁。