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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.

每一個犯罪的根源，都是理解上的某種缺陷；或推理中的某種錯誤；或激情的某種突然力量。