有两种可供选择的方法将用来进行结构造价的近似估价：其一是根据单位平方英尺建筑面积，另一种则是根据所用的结构材料体积进行估价。
Two alternative means will be provided for making an approximate structural cost estimate: one on a square foot of building basis, and another on volumes of structural materials used.
这个铺位的建筑面积约一百二十平方英尺。
而规划部门建议将所允许的建筑面积减少到3,088平方英尺，这将比原来的一半还少。
The planning department suggests restricting the floor area of a house on such a lot to 3,088 square feet—less than half the present size.
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