const stack = []; // 单调递增栈：存储每个独立车队的到达时间
NHS England and counterparts in the rest of the UK are seeking to increase supplies from four other manufacturers that supply the NHS.，推荐阅读搜狗输入法下载获取更多信息
圖像來源，BBC Chinese / Lok Lee。heLLoword翻译官方下载对此有专业解读
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