What are the disadvantages of traveling alone in the debate?

It is easy to be deceived when traveling alone. For those of us who are inexperienced in society, it is easy to have an accident when we go out alone and lose contact with robots and classmates. If we travel alone, it will increase the psychological burden on our relatives and friends. If we have some problems due to our own inexperience when traveling, it may also cause some troubles to people we don't know, and even waste national resources. So don't travel alone, don't always feel that the world is beautiful, and the social reality must be recognized as soon as possible, not too naive, not too trifling, especially for a girl.