还有aa忘了写: AA: national park以前是旅游胜地,现在因为pollution的关系,不再那么attractive. national park的revenue也下降了,所以想要mining company 加入,这样可以增加税收,并且会hire原来national park的工人。这样,national park的revenue就不会下降了。3 AI: constant innovation and changes will be as likely do damages as they do good to an organization. (原本我懒得去题库找了,大家应该知道哪题)