Contravalid
反有效的, 无效的
🗣️ 情景例句
I want a package deal including airfare and hotel.
我需要一个成套服务，包括机票和住宿。
From short pleasure long repentance.
痛快一时，悔恨终身。
Then she introduced us to Carlos and told us they would get married next week'.
然后她把我们介绍给卡洛斯，并告诉我们说他们下星期结婚。”