customs route

例句：

1. 1. The customs route is the most direct way to the airport.
   海关路线是到机场最直接的方式。
2. 2.The customs route is essential for ensuring the safety of goods entering the country.
   海关路线对于确保进入国家的商品安全至关重要。
3. 3. Customs routes are often used to transport goods between different countries.
   海关路线通常用于不同国家之间的货物运输。