What he made: a 25-page Trade-In System Upgrade training deck for Retail & CSS — covering the move from one device per reservation to up to ten, across WooCommerce, the Chat App and the Check-In App — in both Chinese and English, kept perfectly in sync.
Before
Screenshot every screen. Crop each one. Resize. Draw the red box on the right button by hand. Place it on the right slide. Then do the entire thing again for the second language, and again every time the system changes.
After
Upload a screenshot and describe what you want. It finds the right image, adds the red box, writes the explanation, and inserts it at the correct point — in both decks at once.
“照片太小了。原本是 4 个在 1 个 page。你分成 4 page”
“The photos are too small. It was 4 on one page. Split it into 4 pages.” Ordinary words, in his own language.