免检产品精美到一定程度，就可免检，免检是一种人对物的信誉；那么，朋友交往到一定程度，可不可以免检，以实现人对人的信誉呢？这是道难题，难就难在人是活物，人是变化的。因此，人是很难免检的。检验人心的最好破码是利益。利己之心人皆有之，也可理解；但损人利己就叫缺 Mianjian products exquisite to a certain extent, you can Mianjian, Mianjian is a kind of person’s reputation for things; then, friends to a certain extent, can Mianjian, in order to achieve the credibility of people? This is a difficult problem. Difficulties are difficult when people are living creatures and people are changing. Therefore, people are hard to avoid. The best password to test people’s heart is interest. Everyone has the selfish heart, but also understandable;