The internet is very useful. We can send and receive e-mails, which is very fast and convenient. We can learn a lot from the Internet and if we want to get information ,we can search the internet.
英语作文100词 社交媒体利与弊:A social network is a social structure made up of individuals called "nodes", which are tied by one or more specific types of interdependency, such as friendship, kinship, comm