请大家帮忙翻译下~~外贸方面的英语

采购的分类

（一）按价格分类
classification by price

1.招标采购 open tender
2.询价采购 request for quotation/shopping
3.比价采购 purchasing by price
4.议价采购 negotiable purchase
5.定价采购 pricing purchase
6.公开市场采购 open-market purchase

（二）按采购主体分类
classification by subject

1.个人采购 individual purchase
2.集团采购 group purchas

（三）按采购方法分类
classification by method

1.传统采购 traditional purchase

2.科学采购 scientific purchase

（1）订货点采购 order point purchase
（2）MRP采购 MRP purchase
（3）JIT采购 JIT purchase
（4）供应链采购 supply chain purchase
（5）电子商务采购 e-commerce purchase

注：除了像政府采购这种复杂采购，一般的商业性采购已经很少用procurement，在国际上已被视为过时的用法，故建议统一采用purchase。

1) the classification prices

1. Bidding 2. Inquiry procurement 3. Against the procurement of four. Bargain procurement five. Pricing Procurement 6. The open market purchases

(2) the procurement of the main classific