素材 - A cheerful boy with glasses and a backpack, holding a notebook, smiles confidently against a vibrant blue background. Perfect for themes of education, back-to-school, happy students, and youthful optimism.
A cheerful boy with glasses and a backpack, holding a notebook, smiles confidently against a vibrant blue background. Perfect for themes of education, back-to-school, happy students, and youthful optimism.