She works in real estate broking, assisting clients with property deals.

broking 是动词 broker 的现在分词形式。broker 指"作为中间人促成交易"，在金融和房地产领域特指"经纪、中介"。 real estate broking 指专门从事房地产买卖、租赁等交易的中介服务，即"房地产经纪"。