translation.en: We came up with a number of models: economy models, cheaper to build and more compact; membranes of housing where people could design their own house and create their own gardens.
translation.zh: 我们提出了几个方案： 经济型的，更便宜而且更紧凑； 膜结构的， 人们可以自行设计他们的房子 建造属于自己的花园。