1. A success story is a widely used term in international communication and business documents to describe an instance where an organization, company, or individual has achieved success.2. For instance, in a business report, a success story might be mentioned to showcase the market influence and commercial value of a new product's promotion process.3. Additionally, the term "case study" is also commonly used, particularly in academic research or professional field analysis, emphasizing a detailed analysis of a specific situation.4. In business management courses, for example, a case study might be conducted on the business model of a particular company.5. Both "success story" and "case study" are used to describe successful instances or case studies in a specific field or situation, and they are very common expressions in English.6. The specific term used depends on the context and occasion, whether in business, education, or other areas, as these expressions help convey successful experiences and stories accurately.