To be sure, whatever new substitutes come on the market after CFCs have been banned, no matter how cheap and effective the chemical compounds may be, the era of massive overuse should be a thing of the past.
的確，不管氟氯碳化物汰換後又會有多少新的替代品上市，化學合成品價廉物美、大量濫用的時代都應該一去不復返。