Comparing design–build to the traditional method of procurement, the authors of Design-build Contracting Handbook noted that: “from a historical perspective the so-called traditional approach is actually a very recent concept, only being in use approximately 150 years.
与传统的建筑合同采购方式相比，《设计－建造合同手册》一书的作者们评论说：「从历史上来看到，所谓的传统模式，实际是很近代的概念，只使用150年。