Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
suggestions for improving clarity, concision, and readability
，这一点在safew官方下载中也有详细论述
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54。Line官方版本下载对此有专业解读
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const pos = position[i];