英语语法分析

Even the content is under a "copyleft" license that allows anyone to re-use it.

而且里面的内容在“著佐权”[copyleft]的授权下可以供任何人反复使用。

The copyleft also requires that any redistributed software be covered by the same license.

copyleft 还要求所有重新发布的软件使用原软件的许可。

The copyleft also requires that any re-distributed software be covered by the same license.

copyleft还要求同一许可证涵盖任何被再分发的软件。