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.
Read the full story at The Verge.
，更多细节参见夫子
// 4. 空间敏感: 堆排序
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。