Conceptually, the entire business from first customer contact, through completion of the work and payment of the bill, represents a single, macro-level unit of work, with a lifetime of days to weeks.

First of all, I explain the basic principle of regulation from the macro-level. These are the principle of legality and the principle of rationality.

This article classified the landscape of ancient village from macro to micro in three levels: First, the landscape and its vicissitudes in the integral structure level of the village;