"Dual-speed" refers to a system or process that operates at two different speeds or rates. This concept is often applied in technology and business, where certain components or functions may work faster than others. For example, in a computer network, some data may be transmitted quickly while other data is processed more slowly, allowing for efficient overall performance. In a broader context, "dual-speed" can describe economic or social systems where some regions or sectors grow rapidly while others lag behind. This can lead to disparities in development, as seen in various countries where urban areas may experience fast growth while rural areas remain stagnant.