CASE has above three hundred locations. We're as near given that the cell phone within your pocket, ready to deliver the can-do-now response you should get. 这里多说一句，苹果其实强调过，一些app在后台不老实，是会被强杀的。其实很多人遇到的杀后台严重问题，很多时候都是因为在使用流氓app啊！还有更重要的信息，那就是任何时候都没必要主动关闭application，这只会导致后续启动app更慢，而且更耗电啊... https://troymecrq.activablog.com/34974606/the-harvard-case-study-solution-diaries