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[upthera44.livejournal.com]

Can someone explain when to use "за" and when "на" is better when expressing time?

I read this sentence and realized that I never know when to use "na" or "za":

За следующие два года он опубликовал о них три важных сообщения

Comments

[dinasty.livejournal.com]

I think this discussion (http://community.livejournal.com/learn_russian/895368.html) will be helpful for you.

[upthera44.livejournal.com]

Oh, ya, that's great. Thanks a million