We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!
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。业内人士推荐哔哩哔哩作为进阶阅读
未来，大包装与零食礼盒的竞争，不仅是包装与价格的竞争，更是品牌信任资产的竞争：谁能在“看起来值”和“拆开也值”之间找到精准平衡，谁才能在春节消费潮后，沉淀下稳定的复购客群。
Option.Arg returns the argument as a string, but there some helper
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