无
效
About
The word "无效" is formed by combining the character "无", meaning "without" or "not", with the character "效", meaning "effect" or "efficacy", to create a compound that literally signifies "without effect" or "ineffective", where the first character negates the meaning of the second.
Example Sentences Hide
这张优惠券已经无效了。
法院宣布那份合同无效。
他的道歉对我来说是无效的。
他们的抗议活动被认为是无效的。
没有可靠数据支撑的结论是无效的。