Emphasize the work content and achievements during the secondment period, and indicate the secondment time and department.

1. Emphasize the work content and achievements during the secondment period: describe the work content and achievements during the secondment period in detail in your resume, including specific job responsibilities, work achievements, contributions to departments and companies, etc. These achievements may include goals achieved, problems solved, achievements achieved, etc.

2. Indicate the time and department of secondment: clearly indicate the time and department of secondment in your resume so that recruiters can understand the whole process of secondment.