Due to the long-term division of administrative divisions, the market environment in the Yangtze River Delta region is not exactly the same: the market access threshold is high and low, the law enforc
Due to the long-term division of administrative divisions, the market environment in the Yangtze River Delta region is not exactly the same: the market access threshold is high and low, the law enforcement scale is loose and tight, and the business.
B
The expressions of "complete agreement" and "unique" are wrong, so ① and ② are not selected.