An illustration of Mr. Zhang tutoring a child, symbolizing the concept of 'if so' or 'suppose that'. The scene depicts Mr. Zhang helping a child with schoolwork, with books and study materials scattered around. The focus is on the interaction between Mr. Zhang and the child, highlighting the mentorship and educational support. The style is vibrant children's animation, with exaggerated expressions to convey the idea of 'if so' or 'suppose that'. The setting is warm and welcoming, emphasizing the positive impact of education.