A social network is a social structure made up of individuals (or organizations) called "nodes", which are tied (connected) by one or more specific types of interdependency, such as friendship, kinship, common interest, financial exchange, dislike, sexual relationships, or relationships of beliefs, knowledge or prestige.

社会网络是是由个人（或组织）构成的社会结构称为“节点”，是一个或多个相互依存的具体类型连接起来的，比如友情，亲情，共同的利益，金融交易，厌恶，性关系，信念，知识或声望。

Social Networks are groups of people who share interests and who interact in a variety of ways via software on websites. These include file-sharing, chatting, messaging, exchanging photos/video etc. Social network sites are usually free to join. Include Myspace,Facebook,Bebo,Orkut,LinkedIn and so on.

社会网络是通过网站软件分享共同兴趣，通过各种方式进行互动的一个群体。这些包括文件共享，聊天，信息传送，交换照片/视频等。社交网站是免费加入的。包括聚友网，脸谱网，贝博网，我酷，商务化人际关系网等。

We define social network sites as web-based services that allow individuals to construct a public or semi-public profile within a bounded system, articulate a list of other users with whom they share a connection, and view and traverse their list of connections and those made by others within the system. The nature and nomenclature of these connections may vary from site to site.

我们定义了社交网站为网络服务，允许个人在一个固定的系统构建公共或半公共的轮廓，阐明了一个和他们共享一个连接的其他用户名单，并查看，连接其他系统内的列表。不同的站点这些联系的性质和命名可能会有所不同。

The Importance of Social Networking
社会网络的重要性
Social networking can help a business gain contacts, clients, and increased public awareness.

社会网络可以帮助企业获得联系，客户，和提高公众意识。
Even entrepreneurs who run small businesses from their homes can take advantage of this resource to set up a global presence.

即使是经营很小的家族企业的企业家，也可以利用这一资源，建立全球性。

To make the most of social networking, it's important to fully understand the concept of social networking and how it can be applied in ways that will help you grow your business.

利用社会网络，重要的是要充分了解社会网络的概念以及它是如何应用的，这将有助于你事业的成长。

Social networking is making its mark in history these days. In fact, it is progressing so fast, it is leaving the news media in the dust. Everyday people are reporting news faster than a whole news team.

目前社交网络努力在历史上留下印记。事实上，它发展得如此迅速，新闻媒体都落后于它。人们每天报道的新闻比整个新闻团队的还要快。