Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
Just give me your name and the place where you are calling from?
请给我您的姓名与地点所在。
Jest with an ass and he will flap you in the face with his tail.
你跟驴子开玩笑，将被驴尾打耳光。
But as the paper moved from side to side under the pen point,
由于纸在笔尖下来回运动，