translation.en: The doors can actually swap out, so you can actually put on a rigid panel with a window unit in it for climate control, or a connector module that would allow you to actually connect multiple units together, which gives you larger and kind of compartmentalized living spaces, so now this same kit of parts, this same unit can actually serve as a living room, bedroom or bathroom, or an office, a living space and secure storage.
translation.zh: 房屋的门是可以拆换的，所以你可以 换一个带窗户的门来调节气温， 或者装上连接模块，就可以让你 把多个房屋连接起来，这样生活空间 就会变大而且可以分成不同区块， 因此同一个屋子， 可以被当做起居室，卧室或浴室， 或是办公室，居住空间和安全储藏室。