ITIL4 Foundation 重點解讀，中文版翻譯太爛啦，所以只共享英文版。
ITIL 4 Foundation is the first publication of ITIL 4, the latest evolution of the most widely adopted guidance for ITSM. Its audience ranges from IT and business students taking their first steps in service management to seasoned professionals familiar with earlier versions of ITIL and other sources of industry best practice.