它们是非常靠谱的指导手册，告诉你什么样的忧愁才是这个年代流行的。
They are sensibility manuals; they show what sort of unhappiness is in style this decade.
Rails 2.2发行说明-一个非常靠谱的基本覆盖Rails2.2新功能的发行说明（简短的代码例子和链接）以及一份推荐使用特性的名单。
Rails 2.2 Release Notes - A very solid set of release notes for 2.2 with basic coverage of the new features (with short code examples and links) as well as a list of deprecated features.
Rails 2.2发行说明-一个非常靠谱的基本覆盖Rails2.2新功能的发行说明（简短的代码例子和链接）以及一份推荐使用特性的名单。
Rails 2.2 Release Notes - A very solid set of release notes for 2.2 with basic coverage of the new features (with short code examples and links) as well as a list of deprecated features.
应用推荐