Nuts and bolts
Meaning: details, the basic parts of a job or an activity
Example: Law school can teach you theory, but it can't teach you the nuts and bolts of the profession.
Example: Law school can teach you theory, but it can't teach you the nuts and bolts of the profession.
Baihou English - грамотный разговорный английский за 9 месяцев до уверенного владения по системе естественного усвоения иностранных языков.
Выучить ОЧНО
Выучить ЗАОЧНО