on the subject of

关于, 就...而言

regarding a particular topic or issue

On the subject of climate change, scientists have conducted extensive research to understand its impact on the environment.
关于气候变化这一主题，科学家们进行了广泛的研究以了解其对环境的影响。
On the subject of education reform, policymakers are divided.
关于教育改革，政策制定者存在分歧。
On the subject of healthcare, there are ongoing debates about access and affordability.
关于医疗保健的话题，有关获取和负担能力的争论仍在继续。
On the subject of technology, advancements have revolutionized many industries.
关于技术，进步已经彻底改变了许多行业。