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.
Global news & analysis，详情可参考heLLoword翻译官方下载
NASA announces major overhaul of Artemis moon program amid safety concerns, delays: "We've got to get back to basics"。同城约会是该领域的重要参考
49.82 real 59.75 user 27.26 sys