translation.en: You'd be able to open portions in order to change the procession, allow people to come in and out for an intermission, or to enter for the beginning or the end of a performance.
translation.zh: 你还可以打开各个部分 来改变观众入场的方向，顺序 观众可以在休息时自由进出剧院 或者是从头到尾都待在剧院里