做生意

例句：

1. 1. He is a successful businessman who has made millions in the stock market.
   他是一个成功的商人，在股市上赚取了数百万美元。
2. 2. The company is known for its high-quality products and excellent customer service.
   这家公司以其高质量的产品和优秀的客户服务而闻名。
3. 3. They trade goods with each other on a regular basis.
   他们定期交换商品。