So as not to invite a child's reproach, Liu plunged into the world of invention. The first thing he invented was a robotic learning aid. It would clap for the right answer, and would shake its head for a wrong one.
劉興欽為了不讓小朋友瞧扁了，就此一頭栽進發明世界，而他第一個發明也正是「機器人自學機」，答對鼓掌，答錯搖頭。