http://blog.danielribeiro.org/yes-you-can-have-low-coupling-in-a-symfony-standard-edition-application/

這是作者一年使用后分享的經驗

http://stackoverflow.com/questions/9999433/should-everything-really-be-a-bundle-in-symfony-2-x

關于解耦合討論，比如不用symfony了，怎么讓核心程序還能用