李鑫灏 开发者_开发百科 2021-04-23 04:48 根据垃圾分类的原则，旧衣服属于可回收垃圾。
Ruby: 1.9.2 Rails: 3.0beta3 I need some help with associations in Rails 3. I have the following models (see excerpts below):
加载中,请稍侯......