回复@jiancai: Graham 对投资的定义：An investment operation is one which, upon thorough analysis , promises safety of principal and a satisfactory return. Operations not meeting these requirements are speculative.不要投机，不要投机，不要投机！投机必被捉//@jiancai:回复@冬悟哈哈:提高审美，远离垃圾，这是现在这个周期我的看法。