Fof
abbr. free on field (airmail) 野外免费
🗣️ 情景例句
We'd like to discuss a mortgage.
我们想请教一下贷款的事。
It is better to wear out than to rust out.
与其锈掉，不如用坏。
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，