Estimated shortcuts: ~91 million (a manageable number for global routing)
Kevin Church/BBC News。服务器推荐对此有专业解读
，这一点在旺商聊官方下载中也有详细论述
Жители Санкт-Петербурга устроили «крысогон»17:52
"tengu_attribution_header": true,，详情可参考同城约会
// Nothing executes until iteration begins