distance between hill

例句：

1. 1. The distance between the two cities is about 200 kilometers.
   两座城市之间的距离大约是200公里。
2. 2. The gap between technology and education has narrowed over time.
   随着时间的推移，科技与教育之间的差距已经缩小了。
3. 3. The company's profit margin has increased significantly in recent years.
   该公司近年来的利润边际显著增加。