It still needs more observations and analyses to conclude whether or not varieties of sequences can be analysed if the adjacency pairs in a complete conversation can be totally treated as basic units.

• 会话结构十分复杂,一个完整的对话能否全部以相邻对为基本单位对各种序列进行分析还需要通过更多的观察和分析才能得出结论。