Ignorance and selfishness the real enemies: There can now be no doubt that holes have appeared in the ozone layer and that the main culprit--products that employ CFCs--has been uncovered.
臭氧層出現破洞已無庸置疑，而造成破洞的主要元凶﹘﹘氟氯碳化物系列產品﹘﹘也已被揪出。