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Behind both analysis and synthesis is classification ability. Analysis is to find differences in one class, while synthesis is to find commonality in different things, which is equivalent to the dimension of classification. In fact, the core of pyramid principle and structured thinking is classification ability. This is also why many people have learned pyramid principles or structured thinking, but they still cannot analyze and solve problems because they have not accumulated a large amount of knowledge in a certain field (declarative and procedural knowledge, situational knowledge) and do not have conceptual ability in the field.MoveStephen was hiding in the corner, Looking at the spring scenery here, His obsessed man was straddling the other himself, He said some blunt words without hesitation. Looking at the "magician" red face still quite proud, dragging the person's collar paste up, as if to show off his kissing skills, Stephen looked at Tony under the "oneself" soft into a pool of spring water, eyes are full of "oneself" and lust, open arms at "oneself"-that is the posture of demanding, Tony's red and purple crisscrossed marks, marking the intensity of the sex, also let Stephen feel confused嘿嘿。她们不敢走远，因此只找了些野果并些山菇回来，没有猎到野味。1949年，虽然解放战争接近尾声，在上海，敌人的力量仍无比强大，甚至无坚不摧。所有的主动都掌握在敌人手中，而我们革命者则无时不处在敌人摆下的天罗地网和重重圈套之中……深夜的巷道，一群爱国科学家在共产党护送下秘密撤离上海。然而，在他们认为一切顺利时，他们却已深陷敌人的包围圈，等待他们的，是早已设下埋伏的国民党特务的立体打击。8. Proxy Mode (Proxy)