Carrying that custom work can become a major cost, though, and there's no one to share the costs of maintenance.

但是意味着自定义工作有可能成为主要的成本，而且没有人共同承担维护成本。

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The cost of repairs and maintenance is expensed as incurred; major replacements and improvements are capitalized.

维修和保养费用计入发生，重大的更换和升级计入资产。

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This is expressed having more amplitude in squared and cubic meters habitable, major possibilities of industrialization and personalizing, less cost in building site, heating and maintenance.

这体现在可居住范围在空间上的扩张，工业化和个性化成为可能，建筑用地、供热和维护成本的减少。

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