Every barrel of oil we produce should be done with a focus on minimizing our footprint.

获得朋友的唯一方法就是先成为朋友。

链条的强度取决于它最薄弱的一环，而生活终究是一条链条。

The only good is knowledge and the only evil is ignorance.

决策分析是根据价值和不确定性评估复杂选择的学科。