leather trade

例句：

1. 1. The leather trade is a majorindustry in this region.
   皮革贸易是该地区的主要产业。
2. 2. The leather trade has been declining due to environmental concerns.
   由于环境问题，皮革贸易一直在下降。
3. 3. The leathertrade contributes significantly to the economy ofthe country.
   皮革贸易对该国经济贡献巨大。