bulk buying

例句：

1. 1. We need to bulk buy some supplies for the upcoming project.
   我们需要大量购买一些即将到来的项目所需的物资。
2. 2.The company is known for its bulk buying strategy in the market.
   该公司以其在市场中的批量购买策略而闻名。
3. 3. They bulk bought a lot of goods from the supplier last month.
   他们上个月从供应商那里大量购买了商品。