regular payments that sb receives from an investment or a property, especially over a long period of time 收入流（尤指可长期从投资或财产中获得的定期收入）◆The investment will bring a steady income stream. 这笔投资将带来稳定的收入流。
the money that a business produces 收入流（企业利润）◆Our research services continue to provide a substantial income stream. 我们的研究服务继续提供可观的收入流。