to be guided by sth; to form an opinion from sth :
That's a good rule to go by.
If past experience is anything to go by , they'll be late.
to be guided by sth; to form an opinion from sth :
That's a good rule to go by.
If past experience is anything to go by , they'll be late.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005