当地木匠对原设计的修改缩短了生产时间和成本。
Modifications to the original design by local carpenters cut production time and costs.
A：坦白告诉我，Rob，你认为我对这个建筑物设计的修改如何？
A: please level with me, Rob, what do you think about my advice of modifying the design of the building?
工程设计的修改由原设计单位负责，建筑施工企业不得擅自修改工程设计。
The original designing unit shall be responsible for revision of the project design; the construction enterprise may not revise the design without authorization.
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