That's passing laws that protect people from themselves, seatbelt laws, for example, or motorcycle helmet laws.

即制定保护人们免受自身行为伤害的法律，诸如系安全带，骑摩托车带头盔的法规。

耶鲁公开课 - 公正课程节选

The study of immunology is the study of mechanisms that your body uses to protect itself from mainly from foreign pathogens like viruses and bacteria.

免疫学研究身体,采用何种机制来保护自身,免受外源病原体如病毒和细菌的伤害

耶鲁公开课 - 生物医学工程探索课程节选