( informal ) taking more actions than are really necessary to make sure that sth succeeds or works as it should :
a belt-and-braces policy
( informal ) taking more actions than are really necessary to make sure that sth succeeds or works as it should :
a belt-and-braces policy
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005