Defease
vt. 使作废，废除(合同、契约等)：
🗣️ 情景例句
We formed a very favorable impression of her.
我们对她的印象极好。
It is said it will clear up tonight.
天气预报说今晚雨就会停。
That's good to hear.let's take a look at your prices.
那好，我们来看看你的报价吧。