求翻译：近年来，我国农村中小学校车事故频发，农村中小学学生上学交通安全已经成为当前社会关注的重大问题。完善校车保障机制、保障中小学学生安全上学理应成为责任政府的一项重要职责。本文基于责任政府理论，从我国农村中小学对校车的需求，我国农村中小学校车所存在的问题以及校车事故的原因入手，并且结合美国的相关治理经验，对我国农村中小学校车保障机制提出相应的完善建议，从而真正建立农村中小学校车保障机制，保障农村中小学校车安全、稳定、高效运行。是什么意思？

In recent years, rural small and medium-sized school bus accident-prone rural primary and secondary school students to school traffic safety has become a major concern of society. To improve school bus security mechanism to protect the safety of primary and secondary school students to school should

In recent years, China's rural schools car accident, and it's rural primary and secondary students attend school traffic safety has become a major concern of current social issues. Perfect security mechanisms, and school bus safety security primary and secondary school students attend school is supp