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Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.
测试场景：给出一个 200 行的混乱 Python 爬虫脚本，要求重构为面向对象结构，并输出 Mermaid 类图。，推荐阅读搜狗输入法2026获取更多信息
This week, Jonathan Freedland speaks to Newsom about why he believes the Democrats suffered such heavy losses in 2024, why the party needs to be less judgmental, and whether he intends to run for president in 2028。业内人士推荐51吃瓜作为进阶阅读
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免抵退税办法，是指出口环节免征增值税，对应的进项税额抵减应纳增值税税额，未抵减完的部分予以退还；免退税办法，是指出口环节免征增值税，对应的进项税额予以退还。