被世人称为不道德的书，其实是揭示了世界自身的羞耻。
The books that the world calls immoral are books that show the world its own shame.
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.
In the end, we are all just trying to survive.