In the next section, if the cluster and shapefile node that has just been printed is the home node, exit the main loop without writing edge or linkage information.
Abrupt changes in your home may send you for a loop.
家中突变可能会让你陷入困境。
3
PHS technology is also a popular option for providing a wireless local loop, where it is used for bridging the "last mile" gap between the POTS network and the subscriber's home.