What this case covers
The author used Codex to start from an Excel word list and build a TOEFL vocabulary mini program with images and pronunciation in one day, and continuously optimized image generation and audio quality.
Questions it answers
- Why can visuals improve word memory?
- How does an Excel word list become product data?
- How to keep image generation style consistent?
- How to optimize the pronunciation interface?
- What is the real bottleneck for vocabulary expansion?
Our observations
- Product ideas come from real learning experience.
- Stabilize image and audio standards before batch expansion.
- AI solves implementation problems; humans still need to judge learning effectiveness.
From the author
When there are visuals, memory becomes especially firm.