separation of waybill from shipment

例句：

1. 1.The two teams are separated by a river.
   两队被一条河隔开。
2. 2. The separation of the two countries is due to their different cultures.
   两国的分离是由于它们不同的文化。
3. 3.The separation of the two countries has led to a trade war.
   两国的分离导致了一场贸易战。