과 특성상 팀 프로젝트 과제가 많았는데, 그럴 때마다 무임승차자가 존재했고, 무임승차보다 더욱 난감한 소극적 승차자가 있었다.
There were a lot of team project tasks due to the nature of the department, and each time there were free riders, and there were passive riders that were more difficult than free riders.