json.dumps(item, ensure_ascii=False),
* 核心思路：找初始无序边界 + 计算区间最值 + 扩展边界
。关于这个话题，同城约会提供了深入分析
// 将当前元素的「下一个更大值」存入Map
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item = self.parser.parse_detail(url, html)
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