大宗购买

例句：

1. 1. We need to buy a lot of goods for our business.
   我们需要为我们的商务购买大量的商品。
2. 2. The company has been buying in bulk from the supplier.
   该公司一直在从供应商那里大量购买。
3. 3. They bought a large quantity of vegetables at the market yesterday.
   他们昨天在市场上大量购买了蔬菜。