What do you mean by long-distance goodbye?

It means saying goodbye in distant places in space. Remote communication refers to voice, video and text communication between two or more places without face-to-face communication. Common remote communication methods include telephone, SMS, email, instant messaging, conference call, etc. So say goodbye not in person, but through communication. Besides remote communication, it can also be used for remote control, remote education and remote medical treatment. Generally speaking, remote technology can bring a lot of convenience and benefits, but there are also some security risks and technical difficulties. Therefore, in terms of remote operation, communication and control, it is necessary to pay attention to safety and follow relevant regulations and standards to ensure the accuracy and safety of remote operation.