Undis
[計]= UN Documentation Information System,聯合國文獻資料系統
??? 情景例句
Oh, sorry. There must be some mistake.
哦，抱歉，一定是弄錯了。
I hear that you have won. Congratulations.
聽說你們贏了，祝賀你們。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆蟲。