The advantage of the core of the same city is to give priority to issuing orders and grab them first. Compared with ordinary errands, he can see the orders in the grab pool in advance. Basically, it can be said that ordinary errands are orders that the core of the same city does not want. Now under normal circumstances, ordinary errand riders are online, and the system will basically not send orders. If you want to run the order, you have to grab it yourself, hoping to help everyone.