BUY CREDIT AT购买信贷
Buy Something At Cost以成本价买某物
buy goods at a discount买打折商品
buy grains at official price旧时指官府在丰年用平价买进粮食
buy things at a store在商店购物
buy sth at a sale大减价时买某物
buy sth at a discount按折扣价买到
buy goods at the sale买廉价货
buy goods at the sales买廉价货