很多没有矫正视力的人不能读，看电视，甚至不能在房间里认出别人的脸。

There are lots of people who can't read signs, watch TV, or recognize a face across the room without corrective vision.

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在这方面，又不能通过手术来矫正。 然而，却可以采取一些措施来缓和这些不对称性。

There are ways to mitigate our asymmetries, however.

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“为保证价格低廉，我们设计的镜头不能完全矫正畸变或其他失常。” 他说。

"To keep the cost down we went with lenses that aren't corrected for many aberrations, " he says.

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