The respondents of this questionnaire are as follows:

1. People of different ages: from children to the elderly, people of different ages have different needs and experiences in life, so their answers can provide interesting insights on all aspects of life.

2. People with different occupations: People with different occupations have different experiences and pressures in their work and life, and their satisfaction with life and lifestyle are also different, so their answers can provide interesting insights on life satisfaction.

3. People in different regions: People in different regions may have different views and ways of life due to differences in geographical environment, cultural background and other factors, so their answers can provide interesting insights on lifestyle and cultural differences.