regional international law

例句：

1. 1.The region's economy is booming.
   该地区的经济正在蓬勃发展。
2. 2. This region has a rich history and culture.
   这个地区有着丰富的历史和文化。
3. 3. The government is trying to promote tourism in this region.
   政府正试图在这个地区推广旅游业。