Suo
abbr. 方案使用者選項（Solution User Options）
??? 情景例句
That's a little more than we had planned.
這比我們計劃的多了一些。
What have you done?
你究竟都做了些什么？
I spent the whole day in my room, but I did not write a single card!
我在房間里關了整整一天。然而竟連一張明信片也沒寫成！