straight purchase

例句：

1. 1. We decided to make a direct purchase of the new car.
   我们决定直接购买新车。
2. 2.The company's policy is to make direct purchases from its suppliers.
   该公司的政策是直接从供应商那里采购。
3. 3.They made a straight purchase of the house for $500,000.
   他们以50万美元的价格直接购买了这所房子。