translation.en: Because when I was capturing traces, you know, this thought comes to me always: is it, only when the object touches the thing and it leaves the trace, or is there other ways to capture it?"
translation.zh: 因为当我捕捉痕迹时， 我总是想到， 是不是，一个物体自由移动，碰到了另一个物体，留下了痕迹， 或有没有其他方法来捕捉他呢？”