demands analysis的用法和样例：
例句
- We perform in-depth needs analysis such that we could provide the best training possible for your organisation.
我们通过深入的需求分析来尽可能地提供给你们机构最好的培训。 - For that reason, requirement analysis is needed to be conducted by users and IS staff during ISD.
因此，需求分析是在系统开发过程中是必要的步骤，且需要仰赖使用者与资讯部门人员一同完成。
