To read more on Rails 3.0, the detailed release notes cover the changes in great detail.

要了解更多关于Rails 3.0的信息，请阅读发布说明，里面详细地介绍了每个变化。

youdao

To read more on Rails 3.0, the detailed release notes cover the changes in great detail.

要了解更多关于Rails 3.0的信息，请阅读发布说明，里面详细地介绍了每个变化。

youdao