verb 下载 🔗分享 使无效,作废. To make invalid. Especially applied to contract law. Examples : "The new evidence invalidated the contract for the house, meaning the buyer no longer had to buy it. " 新的证据使那份房屋买卖合同作废了,这意味着买家不再需要购买这栋房子了。 law business 与AI对话词汇游戏阅读练习