"The reason is that they are addictive," explains Chien Chun-sheng, director-general of the DOH's National Bureau of Controlled Drugs (NBCD). "They have the potential to be abused and cause harm to society."
「因為它有成癮性、濫用性和社會危害性，」衛生署管制藥品管理局局長簡俊生說。