1. The reason for saying "OVER" after finishing a sentence in a walkie-talkie conversation is to indicate to the other party that you have finished speaking, thereby avoiding misunderstandings and ensuring the integrity of the message being conveyed.2. It is a common practice for everyone to say "OVER" at the end of their transmission. This signalizes to the other person that it is safe to interrupt and speak next, facilitating smoother communication.3. The habit of using "OVER" helps to ensure that messages are transmitted more completely and accurately, which in turn can enhance work efficiency.詳情