How are we supposed to tell where the parallel structure begins? Apparently the parallel structure begins from 'works', so 'works' and 'cooperates'. However the parallel structure could might as well have began from 'to strengthen' ---- the only reason i think 'cooperate' cannot be parallel to 'strengthen' is that 'cooperate' is NOT preceded by a 'to'.
Experts please confirm whether my reasoning above is right. Thank you for your insights.
Experts please confirm whether my reasoning above is right. Thank you for your insights.




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