非現實,不存在之物
Unreality \Un`re*al"i*ty\, n. The quality or state of being unreal; want of reality.
unreality n 1: the quality possessed by something that is unreal [ant: {reality}] 2: the state of being insubstantial or imaginary; not existing objectively or in fact [syn: {irreality}] [ant: {reality}]