xiāo​shòu​shí​diǎn​qíng​bào​xì​tǒng

point of sale system

  1. point of sale
  2. intelligence
    intelligence; information, particularly gathered through secret or specialized means for military, political, or economic purposes
  3. system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.