The governor said the earthquake was the worst natural disaster to hit India for over 50 years.省长说这次地震是印度五十多年来所遭遇的最严重的自然灾害。Allgood served on the bench for more than 50 years.奥尔古德当了五十多年的法官。It may be a pretty unsophisticated system, but it has worked well for over fifty years.这也许是个十分简单的系统，但是五十多年了，一直都运作良好。