Sibi
abbr. Smithsonian Institution Bibliographic Information Service 史密森著書目錄信息服務會學會
??? 情景例句
Why can't I design dresses for you here at home?
為什么我不能在家里為你設計服裝呢？
I did lesson yesterday.
我昨天做功課。
However, this does not always happen.
然而，情況并不都是這樣，