并列题名：The age of stagnation 并列题名：Age of stagnation 并列题名：Great stagnation 并列题名：Language of evaluation 并列题名：Courage of education 并列题名：New age of consumption Age of stagnation 并列题名：Backbone of the nation 并列题名：Ideal state of education 并列题名：Three stages of self-cultivation