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.

要么忙着活，要么忙着死。

完美数如同完美的人一样，非常罕见。

电影的美在于它超越了语言和文化，将我们所有人连接在一起。

有些时刻，身体如同语言般神圣；有些日子，骨骼就是语言。