* @returns {number} - 当日价格的跨度
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。
，详情可参考夫子
The college basketball season is heating up, with March Madness now just weeks away. And today sees a big Midwest showdown as the Michigan Wolverines cross two state lines to face Illinois Fighting Illini. It's an exciting clash that could prove decisive in the Big Ten Conference — the Wolverines and Fighting Illini are both in the top three of the Big Ten standings.，更多细节参见一键获取谷歌浏览器下载
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