Dopamine, the brain can be governed by a reward system. sometimes this plays a role, giving confidence and motivation for success. On the other hand, If the brain only yearns for compensation, those people who give in to dopamine can't judge decisions correctly like morality, sin, and crime. Furthermore, dopamine enables people to hanker for remuneration repeatedly, they cannot stop their current action.
reward system -> a reward system
this play -> this plays
couldn't -> can't (주절시제랑, 대명사시제를 맞춰줘야된다. 과거면 과거, 현재면 현재)
dopamine enable -> dopamine enables