The asymmetrical information is the important premise of fake and shoddy merchandise;
The asymmetrical information is the important premise of fake and shoddy merchandise;
假冒伪劣商品存在的重要前提是信息不对称;
The asymmetrical information is the important premise of fake and shoddy merchandise;
假冒伪劣商品存在的重要前提是信息不对称;