Electronic Commerce Teaching Simulation System models the different roles in the Process of EC and each role finishes its transaction by EC.
电子商务教学模拟系统是模拟电子商务流程中的不同角色，各个角色利用电子商务完成交易过程。
Electronic Commerce Teaching Simulation System models the different roles in the Process of EC and each role finishes its transaction by EC.
电子商务教学模拟系统是模拟电子商务流程中的不同角色，各个角色利用电子商务完成交易过程。
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