你好哦，生活大爆炸s04e17这里已经有了，双语的字幕哦，高清的版本...http://green.21ic.org/user1/7129/archives/2010/72717.html标题：'The Toast Derivation' - Season 4, Episode 17 剧情：Sheldon struggles to cope when he realizes it's actually Leonard who is the center of their social group....
