no such thing as ghost in the world
做习题的解释是说 there is no such thing /person as sb /sth
在这种结构里冠词省略
百度了一会都是说There is no such thing as a free lunch 天下没有免费的午餐
所以如果后面要加冠词的话 就应该no such thing as a ghost in the world 么
答案看的我都迷惘了