monopoly of sale

例句：

1. 1. The company has a monopoly on the sale of its products in this region.
   该公司在该区域内对产品的销售拥有独家垄断权。
2. 2. This product is sold exclusively through our distributor.
   该产品仅通过我们的分销商销售。
3. 3. The manufacturer has a monopoly on the production of this technology.
   这家制造商对该技术的生产过程拥有独家垄断权。