deal in

US /diːl ɪn/
UK /diːl ɪn/
"deal in" picture
1.

經營, 買賣

to buy and sell a particular product or type of product

:
My uncle deals in antique furniture.
我叔叔經營古董家具。
The company primarily deals in software solutions.
該公司主要經營軟體解決方案。
2.

涉及, 關於

to be concerned with or to involve

:
The report deals in the latest economic trends.
該報告涉及最新的經濟趨勢。
His research primarily deals in quantum physics.
他的研究主要涉及量子物理學。