vitiated by a fundamental flaw英 [ˈvɪʃieɪtɪd baɪ ə ˌfʌndəˈmentl flɔː]美 [ˈvɪʃieɪtɪd baɪ ə ˌfʌndəˈmentl flɔː]【法】根本无效的缺陷法律