"The quality and reliability is very important for human safety. We have a lot of technology for that and a lot of experience for that."
Secret Sauce #1: Two-Level Routing
，这一点在im钱包官方下载中也有详细论述
What if you create a truly unique routing profile that's wildly different from the common ones for which shortcuts were pre-calculated? The system is smart. If it detects that too many shortcuts (~50, for example) need on-the-fly recalculation and deviate significantly, it might determine that falling back to the original, comprehensive A* algorithm for the entire route would actually be faster than doing many small, heavily modified A* calculations.
"You're giving somebody the chance of a new future, to live a good, long life. To make memories."