而阻止地理工程学实验的危害在于你永远无法知道它们所能带来的好处。
The harm done by stopping geoengineering experiments is that the good which might come from them will never be known.
虽然基于硫化物的“地理工程学”必定会减缓臭氧层的恢复速度，但是也不至于使其再度恶化。
Sulphate-based geoengineering would certainly slow down its recovery, but would not send it into reverse.
这也是大部分地理工程学业内人士反对那种“一个难以想象的经济学”所提供的好买卖的论调的原因。
This is one of the reasons why most in the geoengineering field reject the notion that the “incredible economics” offer a real bargain.
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