highway construction cost

例句：

1. 1. The construction of the new highwayis expected to increase the construction cost by20%.
   预计新高速公路的建设将使成本增加20%。
2. 2. The governmenthas allocated a significant amount of funds forthe construction of the highway.
   政府已为高速公路建设拨款大量资金。
3. 3. Thehigh cost of building thehighway has made it difficult forthe government to fund its completion.
   建造高速公路的高成本使得政府难以为其完成提供资金。