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
What did they say?
他们说什么?
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
But where's my cup?
可我的杯子上哪里去了？