roofing cost

例句：

1. 1.The new house has a high roofing cost, which is why we decided to build it ourselves.
   新房子的屋顶造价很高，所以我们决定自己建造。
2. 2.When calculating the total cost of a building project, roofing costs are an important factor to consider.
   在计算建筑项目总成本时，屋顶成本是一个重要因素需要考虑。
3. 3. The architect estimated that the roofing cost would exceed the budget by 5%.
   建筑师估计屋顶成本将超出预算5%。