preclusive purchasing

例句：

1. 1. The company's preclusivepricing strategy is a major factor in itssuccess.
   公司的排他定价策略是其成功的主要因素。
2. 2. The preclusive natureof the agreement means that it cannot beeasily modified.
   协议的排他性质意味着它不能轻易修改。
3. 3. The preclusivenature of the agreement prevents any potentialcompetitors from entering the market.
   协议的排他性质阻止了任何潜在的竞争对手进入市场。