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He said it was hoped the scheme could be expanded into island-wide services, with the pilot offering health and care services "a blueprint" to roll it out in other areas.，推荐阅读爱思助手下载最新版本获取更多信息
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需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。