node of Ran-vier

例句：

1. 1. The network of roads connects the city to the countryside.
   这条道路网络将城市与乡村连接起来。
2. 2.The network of interconnected systems is essential for efficient communication.
   这些相互连接的系统对于有效的通信至关重要。
3. 3. The network of cables and wires under the floor provides power to the building.
   地板下电缆和电线的网络为大楼提供电力。