Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
I'm sorry, I didn't mean to bother you.
对不起，真不想打扰你。
No herb will cure love.
想思病，无药医。
It is clear that the cat has eaten it!
很明显，是猫偷吃的！