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1) Russia and other world powers will all be at the A-R-F, to discuss regional issues, such as North Korea's nuclear ambitions as well as the crises in Myanmar and Ukraine.


2) Russia and other world powers will all be at the A-R-F, to discuss regional issues such as North Korea's nuclear ambitions as well as the crises in Myanmar and Ukraine.


I have seen the two versions.

Which one is correct or natural between ‘regional issues such as’ and ‘regional issues, such as’?


Thank you so much as usual in advance.

Comments  
Hans51Which one is correct or natural between ‘regional issues such as’ and ‘regional issues, such as’?

The meaning changes. With the comma, "such as" means something like "for example". Without the comma, it mean something more like "similar to".

There are other problems. "As well as" does not mean "and", and it doesn't fit with "such as" even if you allow it. The initialism "A-R-F" is not formed according to any convention I am aware of. I tried to look it up online, but I couldn't find it, so I don't know what it is supposed to be short for. I would expect "ARF" or "A.R.F." The hyphens are anomalous.