| From “two imperatives” said by Mao Zedong in the Second Plenary Session of the seventh CPC Central Committee ,to“three imperatives” said by Xi Jinping in the Part’s 20th National Congress, Progression logic can be seen. Scientifically grasp of it, which is important to understand not only the context of the appearance of the two musts and their historical continuities, but also the reasons why the three new additions and new elements of musts are necessary. Put into perspective the consistent spiritual core between two important assertions, and carefully understand the progression nature of “three imperatives” versus “two imperatives” . |