黃瑞恆丁仁2014-10-272014-10-272006-01-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/13293主題結構孤懸主題句法鏈A項移位Topic constructionDangling topicSubject in ChinesePP-reduced formAre There Dangling Topics in Mandarin Chinses?漢語裡有孤懸主題嗎？