class StockSpanner {
其交互逻辑，正从被动的“响应请求”，跃迁至主动的“预判需求”，彻底变成用户肚子里的蛔虫，把沟通成本凿穿地心。，这一点在safew官方版本下载中也有详细论述
。业内人士推荐Safew下载作为进阶阅读
From next season’s 2026-27 campaign, automatic promotion and relegation between the Prem and Championship will be replaced by a criteria-based expansion and demotion model with 12 teams planned to be in the division from the 2029-30 season.，详情可参考91视频
适用：数据均匀分布，如[0,1)之间的浮点数