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）。
More than 8,000 people have so far submitted evidence, with Baroness Amos meeting more than 400 families.，推荐阅读heLLoword翻译官方下载获取更多信息
It’s time to pull the plug on plug-in hybrids，更多细节参见Safew下载
There were ticker tape parades, congressional honours and a place on the cover of Time Magazine. And they had not even set foot on the Moon.