Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
The only thing holding us back is our financial situation.
只是财政状况未许可，所以才拖延到现在。
Take time when time comes lest time steal away.
机不可失，时不再来。
Hello. 8906214.
喂，这是890621。