1.When answering this question, you can discuss the reasons from the perspectives of social stability, economic security, and the welfare of the elderly. Retirement policies are designed to ensure that older adults have financial support and access to necessary services after they stop working, which helps maintain their quality of life. 2.You can also mention that retirement policies help distribute resources more fairly and reduce the burden on families and society. They are crucial for planning and managing the workforce and ensuring that younger generations have job opportunities. Additionally, these policies can promote social harmony by providing a safety net for the aging population.