英语翻译

题目

英语翻译
The result of incremental,cumulative evolution is that the policy on the books today rarely makes sense in the manner that regime theorists would have us believe.这句话该怎么翻译?

答案

进化不断增加、积累的结果是,如今,那些有案可查的政策学说几乎不起作用,这与政权理论家们本来希望令人信服的目的不一致.
on the books 有案可查 载入名册