This commonly happens in multitasking together with consumer-server situation. Before, programs used to run only just one application at any given time assigning every one of the sources to that method. 官員表示對最近中國的煤礦事故表示，被困礦工堅持了八天八夜，礦難救援與決策工作創造了奇蹟。雖然近年煤礦安全已大幅改善，但去年仍有兩千多礦工因礦難喪生。在人本主義的社會裡，不容易將「奇蹟」... https://socialaffluent.com/story12560894/fascination-about-%E4%BB%A3%E5%AF%AB%E8%AB%96%E6%96%87