extraposition word外移成分;外位成分
extraposition cue非语言本身
vacuous extraposition空外置转换
optional vacuous extraposition选择性空外置转换
extraposition from NP从名词组移出
relative clause extraposition关系子句移外
English relative extraposition英语关系从句外置
obligatory vacuous extraposition强制性空外置转换
It-extraposition construction has ever been a widely discussed and highly controversial issue in syntactic literature for recent decades.
It—外置结构一直都是句法学界颇有争议的一个热点问题。
参考来源 - ItN（名词） placement of something outside something else 外置