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)}]