Kerry Wan/ZDNET
* 核心功能：每次调用next(val)，返回当前价格的跨度（往回数≤当前价格的最大连续天数）
，详情可参考同城约会
调试技巧：加打印语句观察每轮变化。WPS官方版本下载是该领域的重要参考
Bernard Arnault, LVMH's chairman and chief executive, said at the earnings briefing that while the environment remained uncertain, the group was confident about its long-term prospects.。一键获取谷歌浏览器下载对此有专业解读