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In following sentence, I need to modify "advance systems" by using "which" two times. Please someone tell me whether following sentence is grammatically correct or not.


Therefore, scientists and major companies have implemented initiatives to develop advance systems through which people can connect with each other and which make their lives more convenient.

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That's possible, but note that it should be "advanced systems".

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That's fine.

Are you sure you don't mean 'advanced systems'?

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dileepaTherefore, scientists and major companies have implemented initiatives to develop advanced systems through which people can connect with each other and which make their lives more convenient.

It's grammatically correct, but a bit awkward because it has both 'through which' and just 'which', breaking the parallelism. Why not reword it slightly and combine the two which-clauses into one?

Therefore, scientists and major companies have implemented initiatives to develop advanced systems which allow people to connect with each other and make their lives more convenient.

CJ

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Thank you very much for the answer.

Thank you very much for the answer. In actual fact, you are correct because it should be 'advanced systems'

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Thank you very much for the answer. I will take the parallelism in account when I write again.