the content copied from the reply of officer in OHR, NUSExternal Courses and Professional Development
Staff members may be sponsored to attend external programmes, locally or overseas. In addition, the University also provides full subsidy or heavy discounts on fees payable by staff members enrolled in part-time NUS graduate degree programmes. NUS staff members also enjoy discounts on short courses offered by NUS Extension.
还是有点含糊
照这个解释,可以收钱也可以不收钱。