details 具体细节
Merriam-Webster Online Dictionary
nuts and bolts (noun)1.
the working parts or elements
2.
the practical workings of a machine or enterprise as opposed to theoretical considerations or speculative possibilities
Merriam-Webster Online Thesaurus
nuts and bolts (noun plural)the specific practical details of something
SYNONYMS:
brass tacks, nuts and bolts, ropesRELATED WORDS:
incidentals, ins and outs, minutiae, particulars, specifics, technicalities; oddities, peculiarities, quirks; ramificationsNEAR ANTONYMS:
big picture