最有效的调试工具仍然是仔细的思考，再加上明智放置的打印语句。

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

Innovation in refining isn't just about efficiency; it's about reimagining the role of hydrocarbons in a low-carbon future.

晏子春秋