Show it to them

睇陳奕迅撻著中大訪問片段中,其中一段大概是講小克填Allegro Opus 3.3am歌詞時,
係quote from Steve Job一席話:

整個句子應該是:

"It's really hard to design products by focus groups.
A lot of times, people don't know what they want until you show it to them."


這個話
想想還可以放在那裡適用