Why do you work so hard every day, and after four or five years, you're still struggling at the bottom of society? Let's take a look at the business mogul with a valuation of hundreds of billions, Pang Donglai, and how he personally guides a street vendor to cross the social class barrier. Confronted with a barbecue stall owner who has been working for four or five years and still feels lost, Yu Donglai didn't teach him any marketing tricks, but simply revealed a very cold truth: Your confusion comes from your complacency.