deal in
US /diːl ɪn/
UK /diːl ɪn/

1.
berniaga, berurusan dalam
to buy and sell a particular product or type of product
:
•
My uncle deals in antique furniture.
Pakcik saya berniaga perabot antik.
•
The company primarily deals in software solutions.
Syarikat itu terutamanya berurusan dalam penyelesaian perisian.
2.
berkaitan dengan, melibatkan
to be concerned with or to involve
:
•
The report deals in the latest economic trends.
Laporan itu berkaitan dengan trend ekonomi terkini.
•
His research primarily deals in quantum physics.
Penyelidikannya terutamanya berkaitan dengan fizik kuantum.