There have been other virtual agents which are avatar based but I haven't seen anything that is quite as realistic.

已经有其他基于化身的虚拟代理，但我还没有看到任何非常逼真的东西。

So if you want to build a system that knows how many hours a user truly spent watching The Great British Bakeoff, it might be better to build a chatbot than a virtual agent with a face.

所以如果想知道用户真正花了多少小时看 "大英烘培大赛"，比起做个带脸的虚拟助理，做聊天机器人是个更好的选择。

It describes a young girl who learns from a book that has a set of virtual agents who interact with her in natural language acting as coaches, teachers, and mentors who grow and change with her as she grows up.

它描述了一个年轻女孩从一本书中学习，书中有一组虚拟代理，这些虚拟代理以自然语言与她互动，充当教练、老师和导师，随着她的成长与她一起成长和改变。