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
As a matter of fact,
事实上，
The wolf has a winning game when the shepherds quarrel.
鹬蚌相争，渔翁得利。
This morning, however, a firemen accidentally discovered the cause.
然而今天上午，一个消防队员偶然发现了起火的原因。