These savings arise solely from the design of the building fabric itself which should not require replacement or alteration during the whole of its expected 40-year life.

这些节约量是从建筑结构本身的设计单独产生，在其整整40年设计寿命里不再需要替换或改变。

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These savings arise solely from the design of the building fabric itself which should not require replacement or alteration during the whole of its expected 40-year life.

这些节约量是从建筑结构本身的设计单独产生，在其整整40年设计寿命里不再需要替换或改变。

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