4. the rollout stage, where project features are frozen. In the second and third stages, you must avoid insidious scope creep (and stop being such an accommodating person).

• 锁定项目特征的首次展示阶段.；在第二第三阶段；必须避免项目范围随意地慢慢膨胀(并阻止别人进行这样的调整)