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 true cost of coal isn't just in its price, but in how we manage its consequences.
The past is a foreign country; they do things differently there.
计算机科学家的真正价值在于他们能够看到看不见的东西并解决无法解决的问题。
A creative man is motivated by the desire to achieve, not by the desire to beat others.
