The monkeys would rip-off the tokens at every available opportunity -- from each other, often from us -- you know, things we didn't necessarily think we were introducing, but things we spontaneously saw.
Maimuțele prădau jetoanele cu fiecare ocazie – între ele, câteodată de la noi – lucruri pe care nu ne gândeam neapărat că le vom introduce, dar lucruri pe care le-am văzut spontan.