描述：设计 StockSpanner 类。每次调用 next(price) 时，返回当日价格的「跨度」：从今天往回数，价格 ≤ 今日价格的最大连续天数（含今天）。
Google Chat just got an upgrade that could be one of its most practical yet.
。搜狗输入法下载对此有专业解读
Radio 4,·24 Feb 2026,·27 mins
The leaders leveraging Gen Z staffers to make their businesses better