近10年PMP持证人数逐年递增，这说明越来越多的项目管理者意识到：靠简单照搬以往“老经验”来做事已不可取，瞬息万变的工作环境让我们知道一个要学会，站在科学巨人的肩膀上去探索前行的道路。
In the past ten years, the number of people holding PMP certificates keeps increasing, which indicates that more and more project managers realize it is no longer advisable to do things by simply copying “past experience”; the rapidly changing working environment tells us that we should learn to stand on the shoulders of scientific giants and explore the way forward.