学习不是一个被动的过程；它涉及知识的主动构建。

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.

"Writing is a way of talking without being interrupted."

我不是那种会让对竞争的爱减少的人。

"The future is about creating a culture of innovation."

The desire for verification is understandable but cannot always be satisfied.