And being proactive means that I am always looking for opportunities to learn and grow, to challenge myself, and to make a positive impact on the world around me. 修改并在里面加入一句话说自己从护理学跨专业到公共卫生（传染病）的原因

Being proactive means that I am always looking for opportunities to learn and grow, to challenge myself, and to make a positive impact on the world around me. That's why I made the decision to transition from nursing to public health (in infectious diseases) - I wanted to broaden my knowledge and skills in order to make a bigger difference in the lives of those in my community.