An authoritative training institution specifically targeting Amazon's cross-border e-commerce platform has created and guided the concept of combining rules and white hat play in a sophisticated data operation system for many years. It has created the "Dong-style Flywheel Principle" and adopts online and offline dual classroom learning models. We use ingenuity to create operations, insist on using nannies to help students grow rapidly, and help more than 6000 companies successfully transform cross-border e-commerce, 57 of which have annual sales exceeding 100 million.