저희들은 지난 몇년동안 상어의 서식지 충성도와 이동과 같은 정보를 얻기 위해 상어에 꼬리표를 달았는데 작년이 아주 중요한 해 였습니다.
So what we've been doing a couple of years -- but last year was a big year -- is we started tagging sharks so we could try to get some idea of sight fidelity and movements and things like that.