Excepts a few insurance professionals , most people don 't have complete understanding of what insurance is .
除了少数专业保险人员外,大多数人不完全了解保险是什么.
However , not many people deeply investigate that excepts for using games to stimulate learning motivation , if it is possible for us to use some game factors to influence motivation of learners during the process of completing their task .
Whenever possible , the examiner should provide documentary evidence regardless of publication date ( e.g. , scientific or technical journals , excepts from treatises or books , or u.s. or foreign patents ) to support the factual basis for the prima facie showing of no specific and substantial credible utility .