empty category造句

例句与造句

1. Study on empty categories in several chinese patterns
   汉语不同句式中的空语类探析
2. Empty category principle
   虚范畴原则
3. Searching for an item in the tradeskill search box should now hide empty categories
   在“专业技能”框中搜索时，空的目录不再列出。
4. It's difficult to find empty category in a sentence. 用empty category造句挺难的