Definition
to engage in the business of buying and selling specific goods
从事运营、销售；进行交易
Their company deals in art pieces, specializing in buying and selling antiques.
他们的公司从事艺术品交易，专注于买卖古董。
The businessman primarily deals in electronics, particularly smartphones and accessories.
这位商人主要从事电子产品交易，尤其是智能手机和配件。
Her family has been dealing in agricultural products, ensuring supply for local markets.
她的家族一直从事农产品交易，确保当地市场的供应。