Peopleusedtocommunicatewitheachotherthroughlettersandpu...
问题详情：Peopleusedtocommunicatewitheachotherthroughlettersandpublicphones.Sonowadaystheyusemobile phonesandtheInternetinsteadof.Thischangeincommunicationhavegoodeffectsonourworksandlife. Comparingwi...