We must balance the need for energy with the need to protect our planet.
我们必须在能源需求和保护地球之间取得平衡。
The most important skill for an economist is the ability to think clearly about trade-offs.
实验物理学在决定量子理论的竞争解释方面有最终发言权。
人は誰でも、自分だけの物語を持っている。