To meet the needs of the subject is a necessary condition for happiness.According to the content of the subject needs,it can be divided into material needs,spiritual needs and communication needs.Therefore,from the perspective of the subject needs,the edu⁃cational impli...MORE To meet the needs of the subject is a necessary condition for happiness.According to the content of the subject needs,it can be divided into material needs,spiritual needs and communication needs.Therefore,from the perspective of the subject needs,the edu⁃cational impli...