论文部分内容阅读
在美国加州海岸的一个城市中,所有适合建筑的土地都已被开发出来,并予以利用。在城市的另一边是一些陡峭的小山,根本无法作为建筑用地,而另一边的土地也不适合盖房子,因为地势太
In a city on the California coast of the United States, all suitable land for construction has been developed and utilized. On the other side of the city are some steep hills that can not be used for construction at all, and the other side of the land is not suitable for building houses because the terrain is too