??? 情景例句
I did my thesis on Sino-American Business Relationship.
我做的論文題目是中美貿易關系。
He is wise that knows when he's well enough.
知足的人是聰明的人。
I shook my head and held up five fingers indicating that I was willing to pay $5.
我搖搖頭，伸出5根手指表示我只愿出5鎊錢。