translation.en: Next we wrap the entire hall -- almost like this Olivetti keyboard -- with a material, with a wood material that basically covers all the surfaces: wall, ceiling, floor, stage, steps, everything, boxes.
translation.zh: 然后将整个大厅包起来 -- 像极了Olivetti 键盘 -- 带一些材料,木质材料 基本覆盖所有的墙面: 脑子基本不转, 请检查之前翻译质量.