Gao Chengnai stood in front of the window of a brand-name handbag store, staring at the goods displayed inside with yearning. What she wanted most was the dark red handbag that had just been launched and worth 1,500 yuan.It took her an hour just to stare there.Glimps at the time on the watch, well, it's time to go home and review.She reluctantly looked at the dream hope again. No, it was not enough. She looked at the backpack that looked worn out for more than two years and walked back home step by step.