负贩

例句：

1. 1. He was accused of being a negative vendor by his colleagues.
   他被指控是同事眼中的消极销售者。
2. 2. The company's new marketing campaign aims to be a positive vendor in the market.
   公司的新营销活动旨在成为市场上的积极供应商。
3. 3. The negative vendor is trying to undercut the competition by offering lower prices.
   这个消极供应商试图通过提供更低的价格来击败竞争对手。