translation.en: I literally drew on the walls of the trailer, mocked it up in cardboard, we'd come in and cut, decide things were wrong, pull it out, put it back in.
translation.zh: 我全心投入到房车墙面的手绘中, 像是在纸板上作画, 我们一直在商讨,哪些地方出了问题, 把它们纠正,改进.