arr[j + 1] = key; // 插入到正确位置
然而事实真的如此吗？如果每个人都非常重视屏幕显示效果，那么电商平台上那些动辄十几万销量的防窥膜只能说明另一件事：
，更多细节参见WPS官方版本下载
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.
When shoes slide across a floor, wave-like deformations of the sole can generate squeaking. The pitch of the squeak depends on the rate at which deformations are generated.