long word boundary

例句：

1. 1. The long word boundarybetween the two countries is causing tension.
   两国之间的长词边界正在引发紧张。
2. 2. Longword boundaries can make it difficult for peopleto communicate effectively.
   长词边界使得人们难以有效沟通。
3. 3. The long word boundary between languagescan be a barrier to understanding.
   语言之间的长词边界可以成为理解的障碍。