Business下沉广场effect

Quick answer：

The term 'business下沉广场effect' seems to be a combination of Chinese and English words, possibly referring to the visual or functional impact of a下沉广场 (sunken plaza) on businesses. A sunken plaza is a public space below the grade of the surrounding streets, often used for shopping, dining, and leisure activities. The 'effect' might refer to the positive or negative impact on businesses in the area. Knowledge on this subject includes urban planning, real estate development, and the economic effects of public spaces on local businesses.