Lipman says she does not expect gradual evolution toward greater russian democracy without a crisis , such as the collapse in oil prices that underpin the country 's current prosperity .

利普曼说，她不认为俄罗斯民主能够逐步进化而不会带来危机，一种可能的危机是，支持俄罗斯目前繁荣景象的石油价格猛烈下跌。