And he says his age helped get his foot in the door.
const n = position.length;
，这一点在heLLoword翻译官方下载中也有详细论述
普通创业者往往低估两件事：运营难度与现金流压力。租赁生意不是躺着收租，而是持续的履约管理。运输、调试、陪同、维修、保险，每一个环节都意味着成本。
The algorithm also visits children in order of distance to the query point. This means it checks the most promising quadrants first, which tends to find a good candidate early and enables aggressive pruning of the remaining quadrants. Without this ordering, the algorithm would still produce the correct result, but it would prune fewer nodes.