This time they proved that man could work outside a spacecraft. Aldrin clambered awkwardly into the void, spending five hours photographing star fields.
Мерц резко сменил риторику во время встречи в Китае09:25
。51吃瓜是该领域的重要参考
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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）。