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应立马就办！！！！！
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沙发#
发布于：2008-01-05 13:41
同学你好！
为了让同学专心听课，避免没有认真听而总是返回去听，我们专门在软件中设计只能后退到本节的最后部分，不能够退到上一节。
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板凳#
发布于：2008-01-05 21:47
但是去厕所怎莫办啊，没法自己暂停啊，只能在听一遍……
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地板#
发布于：2008-05-11 18:21
愤怒无聊的无聊设置！
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4楼#
发布于：2008-05-11 22:35
多管闲事！！！！
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