Ask questions or just talk about different languages. Since BrainKing is an international game site supporting many languages, this board can be kind of useful.
Bwild: I guess the difference is obvious now, except, I think it must be the reverse. Otherwise the sentence in my book "It's a new action movie that is set in ancient China. Michelle Yeoh is in it." would be meaningless as there's no ancient China today to film the movie there.