Different users: Extreme Rabbit infield refers to the place or platform used to handle express business within Extreme Rabbit Express Company. Extreme rabbit outfield is the software used by extreme rabbit express in the process of sending and receiving express for couriers.

Different functions: The main function of Extreme Rabbit infield is to help infield staff to manage, scan, classify and store express mail. The role of the polar rabbit outfield is to provide a convenient and efficient way for couriers to work, and support functions such as new waybill, express tracking, freight or contraband inquiry.