从纵向看，统一性是社会形态运动由低级到高级、由简单到复杂，依次更替；

From the vertical, the unity of the social form of movement by the junior to senior, from the simple to the complex, followed by replacement;

youdao

从纵向看，统一性是社会形态运动由低级到高级、由简单到复杂，依次更替；

From the vertical, the unity of the social form of movement by the junior to senior, from the simple to the complex, followed by replacement;

youdao