獨立自存的;自存的
Uncaused \Un*caused"\, a. Having no antecedent cause; uncreated; self-existent; eternal. --A. Baxter.
uncaused adj : having no cause or apparent cause; "a causeless miracle"; "fortuitous encounters--strange accidents of fortune"; "we cannot regard artistic invention as...uncaused and unrelated to the times" [syn: {causeless}, {fortuitous}]