对首都北京的规划工作，明确提醒“规划科学是最大的效益，规划失误是最大的浪费，规划折腾是最大的忌讳”；
Design principles，详情可参考91视频
Giving stem cells to unborn babies diagnosed with spina bifida while they have in utero surgery could be “a major milestone” in the treatment of birth defects, doctors say.。搜狗输入法2026是该领域的重要参考
// 2. 排序：逐个将堆顶元素放到末尾