A copy of the license and copyright notice must be included with the licensed material.

License and copyright notice

Source code must be made available when the licensed material is distributed.

在分发被许可材料时，必须提供源代码。

Disclose source

Changes made to the licensed material must be documented.

对被许可材料所做的更改必须有文件记录。

State changes

Modifications must be released under the same license when distributing the licensed material. In some cases a similar or related license may be used, or this condition may not apply to works that use the licensed material as a library.

在分发被许可的材料时，修改必须在相同的许可下发布。在某些情况下，可以使用类似或相关的许可，或者这个条件可能不适用于使用被许可材料作为库的作品。

Same license (library)

Primarily used for software libraries, the GNU LGPL requires that derived works be licensed under the same license, but works that only link to it do not fall under this restriction. There are two commonly used versions of the GNU LGPL.

该许可证主要用于软件库，GNU LGPL 要求派生作品采用相同的许可证进行许可，但仅链接到库的作品不受此限制。目前有两个常用版本的 GNU LGPL。

This license includes a limitation of liability.

Liability

This license explicitly states that it does NOT provide any warranty.

这个许可明确声明不提供任何保证。

Warranty

GNU Lesser General Public License v2.1 only

The licensed material and derivatives may be used for commercial purposes.

授权的材料和衍生物可用于商业目的。

Commercial use

Modification

The licensed material may be distributed.

Distribution

The licensed material may be used and modified in private.

授权的材料可以私人使用和修改。