for descriptive purposes 意味

• 便宜的｛べんぎ てき｝に
  

例文

1. these roads were sometimes called ' oshu-kaido road ' for descriptive purposes because they were on the extended route of oshu-kaido road .
   奥州街道の延長路に当たるため、これらの街道も便宜的に奥州街道と呼称することもある。