結果就係 ， 原來呢個係非常困難嘅問題 因為你必須要建造出 一個細到可以隨身攜帶 價錢又實惠嘅機械人 但佢必須要令家長 想將佢帶返屋企同埋畀小朋友用
As a result, it turned out to be a very difficult problem because you had to build a robot that was small enough to carry around and affordable, but it had to make parents want to take it home and give it to their children