The purpose of this collaboration is to make sure that design and implementation are in perfect alignment: that designs accommodate technical and cost constraints, capitalize on technological opportunities, and are effectively communicated to programmers.

• 合作的目的是要确保设计方案可以完美实现，设计可以适合技术和成本的约束，可以利用好技术带来的机会并且要能够和程序员进行有效的沟通。