The best comparison I can make is that it’s like your entire instant messaging (IM) history with someone.

我能提供的最合适的比喻是，它就像你和某个人之间即时通讯（IM）中的完整的历史记录。

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Each set of sites must be given a unique instant messaging name to be accessible by IM, and the names are then added to the user's IM buddy list as aliases.

每一组网站必须被给予一个唯一的即时通讯名称，以使即时通讯工具能够访问，随后这些名字(以别名的形式)将被添加到用户即时通讯工具的好友列表中。

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IBM Lotus Sametime has long been the dominant corporate instant messaging (im) solution with its combination of security, scalability, and reliability.

IBM Lotus Sametime在安全性、可伸缩性和可靠性组合方面一直是领先的企业即时消息(im)解决方案。

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