你的项目干系人在不同的国家，为了收集需求，你应该？

项目风险的三个属性是（）、（）和（）

You have been informed by the Customer of a small change to the original scope. It is a small effort as compared to the total project and you need the good-will for a huge project. You will:

JIT这个概念意味着：（）

Which of the following type of contracts is most preferable to the contractor doing the project work？