Smf
abbr. 系统管理程式（system management facilities）
🗣️ 情景例句
He lives alone
他一个人生活
Your price is 20% higher than that of last year.
你方价格比去年高出20%。
He has to deduce what he can from the few scanty clues available.
他们必须根据现有的不充分的线索进行推理。