validitySee main entry:
valid
val·id·ity AW BrE /vəˈlɪdəti/ 🔊NAmE /vəˈlɪdəti/ 🔊 noun [uncountable] the state of being legally or officially acceptable (法律上的)有效,合法性;(正式的)认可◆The period of validity of the agreement has expired. 本协议的有效期已过。🔊🔊the state of being logical and true 符合逻辑;正当;正确◆We had doubts about the validity of their argument. 我们对他们的论点的正确性有过怀疑。🔊🔊