采购的英文是purchase。
例句：
1、自由采购商品。
Goods are open to free purchase.
2、街上挤满了为圣诞节采购的人。
The streets were full of Christmas shoppers.
3、当然了，倘若价格合适，我们将采购你们的全部产品。
We'll buy everything you produce, provided of course the price is right.
4、批量采购要比零买实惠很多。
Buying in bulk is more economical than shopping for small quantities.
5、每周四上午，我们会去采购一周的日用品。
We go and do the weekly shopping every Thursday morning.
魔王夫人
