These people always "simply" think that locking up is just a convenience, and the nature of being ridden by others is not bad. As we all know, this practice has caused great difficulties to people who are in urgent need of bicycles. Even if no one uses it, it really shouldn't be done. After all, possession of such public goods that do not belong to you is no different from theft, just "aboveboard". However, this phenomenon is not limited to college students. Every day, many people in the society are doing wishful thinking: Xiao Huang's car is loaded with baskets privately, Xiao Huang's car is locked, and Xiao Huang's car is carried into his house. Investigating its root causes, people have to sigh the endless selfishness and greed of human nature. As the saying goes, "a snake swallows an elephant when the human heart is insufficient", we should not be harmed by desire for the sake of temporary greed. On the other hand, the development prospect of * * * bicycles is indeed considerable, but while increasing investment, we should also pay attention to the shortcomings in * * * bicycles and make timely remedies.