属于一群人的语言以及一个单词、一句话反应的意思是这群会话群体早已经赋予它的意思。
A language belongs to a group of people and a word or saying means what the speech community has made it mean.
协作层：群件技术，如讨论、交谈会话和项目库。
COLLABORATION: Groupware technologies such as discussions, chat sessions and project libraries.
通过几个新特征的引入，管理者可以对资源实施更小粒度的控制，能够指定每个用户群最大数目的活动会话。
Administrators gain more granular control over resources through new features, and can specify the maximum active sessions per consumer group.
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