Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功,我们今年已把工厂扩展了两倍。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然,那么伽利略的两片曲面镜对自然的歪曲又该多大呢?