The key to solving complex problems is to ask the right causal questions.

Every breakthrough is at first laughable and ridiculous. In fact if it did not start out laughable and ridiculous， it is not a breakthrough.

"The past is a foreign country; they do things differently there."

跨行业和跨国界的合作对于满足世界能源需求至关重要。

Materials should be allowed to speak for themselves.