如果客户习惯于以固定价格的模型购买开发工作，或者具有正式的指导原则，则采用敏捷开发流程对客户来说是非常大——甚至不可能——的更改。

If the customer is used to buying development with a fixed price model, or has formal guidelines, it can be quite a big-or even impossible-change for the customer.

youdao

这的确非常有效，以致我们能够创建一个固定时间、固定价格的业务模型。

It actually works so well that we have been able to create a fixed time, fixed price business model.

youdao

这的确非常有效，以致我们能够创建一个固定时间、固定价格的业务模型。

It actually works so well that we have been able to create a fixed time, fixed price business model.

youdao