geography of goods flow

例句：

1. 1. Geography is the study of the distribution of land and water on Earth.
   地理学是研究地球上陆地和水域分布的学科。
2. 2. The geography of the region is characterized by its rich history and cultural heritage.
   该地区的地理特征以其丰富的历史和文化传统而著称。
3. 3. The geography of goods flow plays a crucial role in determining the efficiency of transportation systems.
   货物流动的地理学对于运输系统的效率有着至关重要的影响。