Top class highway的用法和樣例：
例句
- The company's engineering and construction quality of highway construction market share in the region has been a leader.
公司的工程施工質量和高等級公路施工市場佔有率，在區域內一直處於領先地位。 - The highway running through the Taklimakan Desert is a long-distance graded highway,the first one in the world built on shifting sands.
穿越塔克拉瑪干大沙漠的沙漠公路，是世界上首次在流動性大沙漠上修築的長距離等級公路。
