Translation of "razmena" into English

Mi studenti sa razmene volimo naporno da radimo, zar ne?

We exchange students like to work hard, right?

Zatim moja vlada može da pristane na razmenu.

Then there's a good chance my government can make a trade.

Da, i njihova poslednja razmena je bila o Čipovoj zabavi.

Yeah, and their last interchange was about Chip's party.

Наравно, оно што је још интересантније није пренос енергије, већ размена.

Of course, what would be more interesting wouldn't be a transfer of energy, but an exchange.