matters for reflection; points to review
Refers to issues, mistakes, or experiences that should be reflected upon, often in a self-critical or improvement-oriented context. Commonly used in business, education, or personal growth settings.
This failure became good material for reflection.
I want to use the opinions raised in the meeting as points for review and apply them next time.
反省 is the act of reflection itself, while 反省材料 refers to the specific matters or material used for that reflection.
Compound of 反省 (reflection) and 材料 (material, ingredient).