每一次演出都是一次新的旅程，每次登上舞台我都能学到新的东西。
Every performance is a new journey, and I learn something new every time I step on stage.
柴油发动机是当今已知效率最高的原动机。
With each advancement in ultrafast lasers, we rewrite the textbook on how atoms and molecules behave.
信贷市场的歧视让穷人支付更高的利息。
The most important skill for an economist is the ability to think clearly about trade-offs.