Sadf
[计]= System Analysis and Design Facility,系统分析和设计设备[设施]，系统分析和设计程序
🗣️ 情景例句
How about green? It's size ten.
绿的怎么样， 它是十号的。
Quite so.
的确是这样。
As a matter of fact, it is the other way around.
事实上，情况正好相反。