Nowadays, teaching at home has been a hot topic. With the increasing number of high educated people have become parents, the teaching at home trend has become more common.
Social Network社交网络 英语作文 network,人际,关系 社交网络 社交网络是一个社会结构由个人或组织组成。他们由友谊，血缘关系，共同利益，等关系连接起来. A social network is a social structure made up of individuals (or organizations) called node