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code generators are everywhere now, and we need to talk about how to deal with

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常规品类则推行动态调价：结合促销档期与库存情况灵活调整，通过折扣刺激提升转化，避免持续低价对毛利的侵蚀。

let p = head; // 遍历链表的指针

time_interval=metas["img_metas"][0]["timestamp"]