// 易错点6：忘记将当前元素入栈，导致前面的元素无法匹配到当前值
Avoiding specific road types or toll roads.。快连下载安装是该领域的重要参考
圖像來源，Getty Images。搜狗输入法下载对此有专业解读
Randomly selecting border points or using simple geometric divisions (squares/hexagons) results in too many border points per cluster (50-80). This leads to a shortcut explosion (N*(N-1)/2 shortcuts), making the files large and and calculations slow.
FT Edit: Access on iOS and web