In my mind, he's a volunteer fireman during the summer because professors have those off.

在我心里，他在夏天会去当志愿消防员，因为教授的假期很长。

Marvin didn't regret his decision. He was a father himself and a volunteer fireman in Gjoa Haven.

马尔文并不后悔做这个决定。他自己也是个父亲，同时还是约阿港的志愿消防员。