func extract2(c chan task) []task {
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。关于这个话题，搜狗输入法2026提供了深入分析
The supermarket giant said roles at its Welwyn Garden City headquarters in Hertfordshire were at risk under new proposals.
“十五五”规划建议提出，培育国际消费中心城市，拓展入境消费。2025年，我国办理离境退税的境外旅客数量同比增长305%，退税商品销售额同比增长95.9%，“带着空箱去中国”等话题在海外社交平台引发热议。如何让入境消费从“一时火”到“一直火”？制度供给、产品创新、文化赋能……牵动方方面面。
const cur = Number(num[i]); // 转数字方便比较（也可直接比较字符）