"For urbanites, dealing with high pressure is a topic that has been discussed all year round. The society advocates various anti-stress methods and advocates combating stress, but we have all ignored how to coexist with stress. In fact, we only need a change in mentality. ""90% perfect classroom"" is an advertising plan specially created for the deskone upstairs self-study room. It advocates that urbanites should reserve 10% room as pressure-relief space. For self requirements, it is meaningless to pursue perfection, do the best in everything, and force yourself to a dead end. The goal is to set at ninety marks out of a hundred, which is to reserve a fault-tolerant space. For students who are struggling to study hard day and night, and working class that strive to work hard, coping with pressure is a lesson that needs to be learnt. "