在像氟利昂这样仍然在商业和工业中被广泛使用的氯氟碳物质显著减少之前，被损害的臭氧层是不能开始恢复的。
The damaged ozone layer can't start to heal until there is a significant reduction in chlorofluorocarbons, like Freon, that are still widely used in commerce and industry.
2010年，由于《议定书》的实施，臭氧消耗物质的减少量，比削减温室气体排放量的协议《京都议定书》规定的目标削减量多出五倍。
In 2010, reductions of ozone-depleting substances as a result of the Protocol, were five times larger than those targeted by the Kyoto Protocol, the greenhouse emissions reduction treaty.
四氯化碳是一种能破坏臭氧层的化学物质，应该逐步减少其使用量。
Carbon tetrachloride is a chemical destroying the ozone layer, and its use should be decreased gradually.
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