Users can then browse the buffer of deleted data at will, randomly, rather than sequentially. Finding those six missing paragraphs would be a simple, visual procedure, regardless of the number or type of complex, intervening steps she had taken.

• 用户愿意按照自己的意愿，而不是按照顺序浏览已删除数据的缓冲区，找到这6个丢失的段落是一个简单的视觉过程，而不用考虑用户已经完成的复杂插入步骤的数目或者类型。