This sentence is a line from the TV series "Dear, Love", which describes the safety regulations that a driver should abide by when driving. It means there are thousands of roads, but safety comes first. Irregular driving will make relatives and themselves cry.

Because the tone is humorous and easy to remember, this line has spread widely on the internet and become a common language on the internet. It reminds people to always pay attention to safety when driving, obey traffic rules and avoid accidents, causing unnecessary losses and injuries.