Group 1 - The core viewpoint of the article emphasizes the reliability of sampling surveys in the statistical collection of social retail sales data, addressing concerns about potential data omissions from un-sampled enterprises [2][3][5] - The statistical foundation for social retail sales includes a vast number of entities in wholesale, retail, accommodation, and catering industries, making comprehensive annual surveys impractical; thus, sampling surveys are conducted in non-census years [2][3] - The accuracy of sampling surveys is illustrated through an analogy of tasting dumplings, where a small sample can represent the overall quality of a larger batch [4] Group 2 - New types of consumption are systematically included in the statistics through a well-defined national economic industry classification standard, which has been revised multiple times to adapt to economic developments [5] - Newly established enterprises providing new consumption services can be timely included in statistical surveys based on their scale; larger enterprises can report monthly, while smaller ones can be added quarterly as new sample units [5]