be light years away from

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be light years away from

To be very different from a technological predecessor. My car is light years away from the one my grandfather had in the 1940s.
See also: away, light, year

be light years away from something

if something is light years away from something else, it has made so much progress that the two things are now very different Modern computers are light years away from the huge machines we used in the seventies.
See also: away, light, year
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