a decade - especially two decades - ago.

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lilfrenzy

Member
eh?
Canadian English eh?
Hello. I'm writing an essay, and can someone tell me which sentence would be proper?

Such phenomenon was quite unimaginable a decade - especially two decades - ago.

or

Such phenomenon was quite unimaginable a decade, especially two decades ago.

or

Such phenomenon was quite unimaginable a decade, especially two decades, ago.

Thanks!
 
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