Let’s ask ourselves: In an ideal world, what could help us here?
Cluster & Border Point Definition: The map is divided into clusters, and border points are identified using the Ford-Fulkerson based method.，详情可参考同城约会
，更多细节参见谷歌浏览器【最新下载地址】
What to look for in an ergonomic keyboard
Фото: Johan Nilsson / TT / Reuters，这一点在safew官方下载中也有详细论述