Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
Did Mitchell Johnson's review come out yet?
Mitchell Johnson的评论出来了没有？
Never say of another what you would not have him hear.
莫说不想让人听见的话。
He has to take care of his sick mother.
他得照顾他生病的母亲。