translation.en: There's lots of mystery in the details, and there's some bad side effects, like it partially destroys the ozone layer -- and I'll get to that in a minute.
translation.zh: 虽然细节上有很多谜团，也有一些负面影响， 比如说可能会部分破坏臭氧层——我待会儿会讲这个问题。