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your question is so confusing. clear it

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Posted by HamidAliKhan

on june 6 1997, quebec telephone filed an application for interim approval of tariff revisions for recovery of switching & aggregation costs

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Posted by Hash007

Please elaborate your question,your question is
so confusing.

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Posted by sagitraz

Go to Wikipedia for good and detailed answer.

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Posted by waqqas1

I use these terms to explain grammar, vocabulary, and the idiosyncrasies of ... It’s used in conversational German.

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Posted by waqasahmad