You can always juice sales by going down-market, but it's hard to go back upmarket.
当市场下跌时,你轻易的将好东西打折变卖,但是一旦市场向上,再想买回来,难之又难。
One strategy: "We've had three big ideas at Amazon that we've stuck with for 18 years, and they're the reason we're successful: Put the customer first. Invent. And be patient."
Every piece of plastic we produce should have a clear path to being reused or recycled.