数学是人类精神最美丽和最强大的创造。
Innovation isn't about reinventing the wheel; it's about making the wheel roll smoother and faster.
我们不仅要在中国市场取得成功，还要在全球市场取得成功。
I'm not a rapper, I'm an Oscar winner.
经济理论只是一套构建人造世界的指令。
Natural experiments are a powerful tool for understanding causal relationships in the real world.