关于UC Davis网申中personal history statement的问题

RT，吧友们有没有也在填UC Davis 网申的？我看到了在statement of purpose 之后还有一个personal history statement 要提交。
我觉得我在sop里面已经说得很详细了，history里的这些问题我已经回答过了。
这个应该怎么填？
谢谢大家！

[align="left"]Personal History Statement[/align]

[align="left"]Please describe how your personal background informs your decision to pursue a graduate degree. Please include any educational, familial, cultural, economic, or social experiences, challenges, community service, outreach activities or opportunities relevant to your academic journey; how your life experiences contribute to the social, intellectual, or cultural diversity within your chosen field; and/or how you might serve educationally underrepresented segments of society with your degree. *Required[/align]