"This latest programme will ultimately see the departure of up to 20% of our valued workforce."
代码重构：它没有直接甩代码，而是先思考了“设计模式”的选择（工厂模式 vs 策略模式），最终选择了适合扩展的策略模式。
。业内人士推荐夫子作为进阶阅读
Need competitor analysis tool
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.