In daily life, we often encounter unreasonable regulations of some merchants, such as: the card will not be refunded or exchanged for cash after it is sold; the final interpretation of this card belongs to our store. In fact, these have violated the legitimate rights and interests of consumers. Shen Yiting, an administrative law enforcement officer of the Shanghai Songjiang District Market Supervision Administration, teaches you how to identify these "overlord clauses" of merchants. (Reporter Zhang Jian editor Zhou Jing)

Editor in charge: [Wang Kai]