采购的英语是 "procurement"。这个词来源于拉丁语 "procurare"，意思是"组织"或"获得"。
例句：
We need to improve our procurement process. (我们需要改进我们的采购流程。)
The company is in charge of procurement of raw materials. (公司负责原材料的采购。)
The procurement department is responsible for buying goods and services for the company. (采购部门负责为公司购买商品和服务。)