真正的竞争不是产品之间的竞争，而是商业模式之间的竞争。
The real competition is not between products, but between business models.
Innovation is not about inventing new things, but doing old things in new ways.
The world always seems brighter when you've just made something that wasn't there before.
Recycling should be the last resort, not the first solution. Better design comes first.