篇章回指中“這” “那”的對立分布，在?大程度上表現爲先行語的話題性强弱的對立。回指頻次、回指距離和回指位置等因素，都可能會影響先行語的話題性强弱。篇章回指中“這” “那”的中和現象，實際上反映了先行語的話題性强弱的中間狀態。

The opposition of Zhe and Na in discourse anaphora largely can be attributed to the degree of the antecedent as a topic. Anaphora frequency, anaphora distance and the location of the anaphor, will affect the degree of the antecedent as a topic. The neutralization of Zhe and Na in discourse anaphora essentially reflects the intermediate state of the antecedent as a topic.