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
Bye-bye.
再见。
The future belongs to him who knows how to wait.
未来属于懂得等待的人。
It's tomorrow at twelve o'clock, right?
是明天12点吧？