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）。
Peter Mandelson is facing an inquiry by the EU’s anti-fraud agency after the European Commission requested the body look into his activities during his time as trade commissioner in Brussels.。旺商聊官方下载对此有专业解读
，更多细节参见同城约会
This lets the caller pick a good size for the tasks slice, which may，这一点在雷电模拟器官方版本下载中也有详细论述
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