translation.en: We can control all 12 of these petals for under 50 dollars and what this would allow us to do is not have to move the focus any more, but only move the petals.
translation.zh: 50美金就可以控制这12个瓣体 于是呢，我们就不用再移动焦点了， 只需改变瓣体的位置。