copyleft
/ˈkɒpɪleft/noun
mass noun
- an arrangement whereby software or artistic work may be used, modified, and distributed freely on condition that anything derived from it is bound by the same conditions反版权（允许免费使用、修改和分发计算机软件或艺术作品, 前提条件是其衍生品亦受同样规定的约束）。
派生词
copylefted
adjective词源
1980s: after COPYRIGHT.