Central RetailDistrict where types of traffic are assembled has more accessibility, therefore has been facing kinds of problems of traffic.
城市中心商业区是各种交通汇集的区域，具有较高的可达性，因此一直面临着各式各样的交通问题。
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Oppenheimer Park is bounded to the east by Joubert Street, one of several pedestrianized streets functioning as a linear market in central Johannesburg’s Retail Improvement District (RID).
In supply chain of brand monopolization, supplier is the leader, and retailer is the follower, and supplier adopts the same retail price policy in the same district.