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That, I think, is partly because the biggest single component of building costs is labor.
我想,有部分原因是因为,建筑成本的最主要构成因素就是劳动力
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That, I think, is partly because the biggest single component of building costs is labor.
我想,有部分原因是因为,建筑成本的最主要构成因素就是劳动力
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