Society is a huge network.

Everyone lives in a certain network.

The biological world also has its own network.

There are good and bad networks.

Don't fall into the network of criminals.

Internet has had a far-reaching impact on social life style.

Internet makes communication between people more convenient.

Be alert to and combat cyber crime.

It is necessary to strengthen the understanding of teenagers and the education of using the Internet.

You should be the master of the network, not the slave of it.

We should correctly understand the difference between the virtual world and the real world, and maintain physical and mental health.