verb🔗Share使无效，作废。 To make invalid. Especially applied to contract law."The contract was invalidated when the company failed to deliver the agreed-upon services. "由于该公司未能提供约定的服务，这份合同被作废了。lawbusinessChat with AIVocabulary GamePractice Reading
adjective🔗Share失效的，作废的。 Made invalid."The parking ticket was invalidated because the meter was broken. "由于计费器坏了，这张停车票已经失效了。lawbusinesspoliticsChat with AIVocabulary GamePractice Reading
