Other tools are unique to OER.

其它工具对oer是惟一的。

The actual costs of an OER project vary considerably.

OER项目的实际代价变化相当大。

OER directly involves the first two points of infrastructure and education.

OER直接牵涉到基础设施和教育这头两点。

Aspiration rewrites software to better localize educational content created as OER.

志向(aspiration)重新编写软件，使OER创建的教育内容更加具有地方色彩。

OER can make an important contribution to a diversified supply of learning resources.

OER对于多样化供应学习资源能够作出重要的贡献。