数学家的模式,就像画家或诗人的模式一样,必须是美丽的。
定理是永恒的;它们的证明是短暂的。
Supply chain is the core competitiveness of e-commerce, period.
The bank of the future will be an omnipresent service.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.