Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
No. It's only take about five minutes to walk.
不用。只消走5分钟左右就到了。
Come upstairs and see it.
到楼上来看看吧。