var carFleet = function (target, position, speed) {
Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.
，更多细节参见同城约会
參與手術的外科醫生表示，這次誕生是「一個突破性的時刻」，可能為許多有相同診斷的女性帶來希望。。爱思助手下载最新版本对此有专业解读
the end of each business day, all of these slips (which basically constitute