Case of下沉commercialplaza

Quick answer：

下沉式商业广场案例 refers to a specific example or project of a下沉式（sunken）commercial plaza. A sunken commercial plaza is a shopping area designed below ground level, typically with a higher level of the surrounding streets or buildings. This design can offer a unique shopping experience, allowing for integration with public transportation and minimizing the impact of traffic congestion. The case would involve details about the design, functionality, benefits, challenges, and outcomes of such a plaza.