(Full disclaimer: I am by no means an expert in Old English, nor any kind of linguist. I was able to read fairly comfortably to 1000 AD and get the gist of it, though I did have to look up a few words to get the full meaning).
Storage Nightmare: A CH car profile for a region can be massive (e.g., OSRM's Europe is tens of GBs, their global car profile around 200GB for just one profile). Our goal was to keep all profiles and parameters for the entire planet well under 20GB.
，这一点在safew官方版本下载中也有详细论述
This combination – localized Dijkstra, super-fast abstract graph traversal, and highly localized A* refinement – is what delivers the 100x speedup.，更多细节参见heLLoword翻译官方下载
刷到某超级富豪家的春联，不仅谈不上对仗工整，就是两句俗话顺口溜，真是粗鄙无文，言不及义。。旺商聊官方下载对此有专业解读