传下去：发票留着能抽奖

Group 1 - The core idea of the article is the introduction of a lottery system for invoices in approximately 50 cities, aimed at encouraging consumer spending in various sectors [1] - The initiative covers key areas of daily consumption, including retail, dining, accommodation, cultural arts, entertainment, tourism, sports, and residential services [1] - Participants can enter the lottery by obtaining eligible invoices, with a minimum invoice amount set by each trial city, not less than 100 yuan [1] Group 2 - The prize amount for a single invoice is capped at 800 yuan, promoting higher consumer engagement [1] - The policy will be implemented for a duration of six months, allowing for a trial period to assess its effectiveness [1] - Each trial city has the autonomy to determine the winning invoice ratio and prize structure, tailoring the program to local conditions [1]