Suo
abbr. 方案使用者选项（Solution User Options）
🗣️ 情景例句
That's really the limit.
真叫人忍无可忍。
The flight number is ak708 on september 5th.
班机号码是9月5日ak708
The railway station was big, black and dark.
火车站很大，又黑又暗。