不存在的
Nonexistent \Non`ex*ist"ent\, a. Not having existence.
nonexistent adj 1: not having existence or being or actuality; "chimeras are nonexistent" [ant: {existent}] 2: not existing; "innovation has been sadly lacking"; "character development is missing from the book" [syn: {lacking(p)}, {missing}, {wanting(a)}]